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1fac938e | 1 | /**************************************************************************** |
2 | * * | |
3 | * GNAT COMPILER COMPONENTS * | |
4 | * * | |
5 | * A D A I N T * | |
6 | * * | |
1fac938e | 7 | * C Implementation File * |
8 | * * | |
44fef051 | 9 | * Copyright (C) 1992-2010, Free Software Foundation, Inc. * |
1fac938e | 10 | * * |
11 | * GNAT is free software; you can redistribute it and/or modify it under * | |
12 | * terms of the GNU General Public License as published by the Free Soft- * | |
6bc9506f | 13 | * ware Foundation; either version 3, or (at your option) any later ver- * |
1fac938e | 14 | * sion. GNAT is distributed in the hope that it will be useful, but WITH- * |
15 | * OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * | |
6bc9506f | 16 | * or FITNESS FOR A PARTICULAR PURPOSE. * |
17 | * * | |
18 | * As a special exception under Section 7 of GPL version 3, you are granted * | |
19 | * additional permissions described in the GCC Runtime Library Exception, * | |
20 | * version 3.1, as published by the Free Software Foundation. * | |
21 | * * | |
22 | * You should have received a copy of the GNU General Public License and * | |
23 | * a copy of the GCC Runtime Library Exception along with this program; * | |
24 | * see the files COPYING3 and COPYING.RUNTIME respectively. If not, see * | |
25 | * <http://www.gnu.org/licenses/>. * | |
1fac938e | 26 | * * |
27 | * GNAT was originally developed by the GNAT team at New York University. * | |
e78e8c8e | 28 | * Extensive contributions were provided by Ada Core Technologies Inc. * |
1fac938e | 29 | * * |
30 | ****************************************************************************/ | |
31 | ||
f15731c4 | 32 | /* This file contains those routines named by Import pragmas in |
33 | packages in the GNAT hierarchy (especially GNAT.OS_Lib) and in | |
34 | package Osint. Many of the subprograms in OS_Lib import standard | |
35 | library calls directly. This file contains all other routines. */ | |
1fac938e | 36 | |
37 | #ifdef __vxworks | |
f15731c4 | 38 | |
39 | /* No need to redefine exit here. */ | |
1fac938e | 40 | #undef exit |
f15731c4 | 41 | |
1fac938e | 42 | /* We want to use the POSIX variants of include files. */ |
43 | #define POSIX | |
44 | #include "vxWorks.h" | |
45 | ||
46 | #if defined (__mips_vxworks) | |
47 | #include "cacheLib.h" | |
48 | #endif /* __mips_vxworks */ | |
49 | ||
50 | #endif /* VxWorks */ | |
51 | ||
90bc406c | 52 | #if (defined (__mips) && defined (__sgi)) || defined (__APPLE__) |
53 | #include <unistd.h> | |
54 | #endif | |
55 | ||
56 | #if defined (__hpux__) | |
57 | #include <sys/param.h> | |
58 | #include <sys/pstat.h> | |
59 | #endif | |
60 | ||
cafd02b3 | 61 | #ifdef VMS |
62 | #define _POSIX_EXIT 1 | |
ba706ed3 | 63 | #define HOST_EXECUTABLE_SUFFIX ".exe" |
64 | #define HOST_OBJECT_SUFFIX ".obj" | |
cafd02b3 | 65 | #endif |
66 | ||
1fac938e | 67 | #ifdef IN_RTS |
68 | #include "tconfig.h" | |
69 | #include "tsystem.h" | |
9dfe12ae | 70 | |
1fac938e | 71 | #include <sys/stat.h> |
72 | #include <fcntl.h> | |
73 | #include <time.h> | |
cafd02b3 | 74 | #ifdef VMS |
75 | #include <unixio.h> | |
76 | #endif | |
1fac938e | 77 | |
f15731c4 | 78 | /* We don't have libiberty, so use malloc. */ |
1fac938e | 79 | #define xmalloc(S) malloc (S) |
f15731c4 | 80 | #define xrealloc(V,S) realloc (V,S) |
1fac938e | 81 | #else |
82 | #include "config.h" | |
83 | #include "system.h" | |
e2c62f37 | 84 | #include "version.h" |
1fac938e | 85 | #endif |
9dfe12ae | 86 | |
fa0b5df1 | 87 | #if defined (__MINGW32__) |
88 | ||
e2a33c18 | 89 | #if defined (RTX) |
90 | #include <windows.h> | |
91 | #include <Rtapi.h> | |
fa0b5df1 | 92 | #else |
9dfe12ae | 93 | #include "mingw32.h" |
f60cc57d | 94 | |
95 | /* Current code page to use, set in initialize.c. */ | |
96 | UINT CurrentCodePage; | |
fa0b5df1 | 97 | #endif |
98 | ||
9dfe12ae | 99 | #include <sys/utime.h> |
a4f295eb | 100 | |
101 | /* For isalpha-like tests in the compiler, we're expected to resort to | |
102 | safe-ctype.h/ISALPHA. This isn't available for the runtime library | |
103 | build, so we fallback on ctype.h/isalpha there. */ | |
104 | ||
105 | #ifdef IN_RTS | |
f0a28ccb | 106 | #include <ctype.h> |
a4f295eb | 107 | #define ISALPHA isalpha |
108 | #endif | |
2359306a | 109 | |
110 | #elif defined (__Lynx__) | |
111 | ||
112 | /* Lynx utime.h only defines the entities of interest to us if | |
113 | defined (VMOS_DEV), so ... */ | |
114 | #define VMOS_DEV | |
115 | #include <utime.h> | |
116 | #undef VMOS_DEV | |
117 | ||
118 | #elif !defined (VMS) | |
9dfe12ae | 119 | #include <utime.h> |
9dfe12ae | 120 | #endif |
121 | ||
5091bc2f | 122 | /* wait.h processing */ |
9dfe12ae | 123 | #ifdef __MINGW32__ |
124 | #if OLD_MINGW | |
1fac938e | 125 | #include <sys/wait.h> |
9dfe12ae | 126 | #endif |
8ffbc401 | 127 | #elif defined (__vxworks) && defined (__RTP__) |
128 | #include <wait.h> | |
2359306a | 129 | #elif defined (__Lynx__) |
130 | /* ??? We really need wait.h and it includes resource.h on Lynx. GCC | |
131 | has a resource.h header as well, included instead of the lynx | |
132 | version in our setup, causing lots of errors. We don't really need | |
133 | the lynx contents of this file, so just workaround the issue by | |
134 | preventing the inclusion of the GCC header from doing anything. */ | |
135 | #define GCC_RESOURCE_H | |
136 | #include <sys/wait.h> | |
5091bc2f | 137 | #elif defined (__nucleus__) |
138 | /* No wait() or waitpid() calls available */ | |
9dfe12ae | 139 | #else |
5091bc2f | 140 | /* Default case */ |
9dfe12ae | 141 | #include <sys/wait.h> |
142 | #endif | |
1fac938e | 143 | |
30592778 | 144 | #if defined (_WIN32) |
d8dd2062 | 145 | #elif defined (VMS) |
71a3e619 | 146 | |
f15731c4 | 147 | /* Header files and definitions for __gnat_set_file_time_name. */ |
71a3e619 | 148 | |
8620a406 | 149 | #define __NEW_STARLET 1 |
ba706ed3 | 150 | #include <vms/rms.h> |
151 | #include <vms/atrdef.h> | |
152 | #include <vms/fibdef.h> | |
153 | #include <vms/stsdef.h> | |
154 | #include <vms/iodef.h> | |
d8dd2062 | 155 | #include <errno.h> |
ba706ed3 | 156 | #include <vms/descrip.h> |
d8dd2062 | 157 | #include <string.h> |
158 | #include <unixlib.h> | |
159 | ||
f15731c4 | 160 | /* Use native 64-bit arithmetic. */ |
d8dd2062 | 161 | #define unix_time_to_vms(X,Y) \ |
162 | { unsigned long long reftime, tmptime = (X); \ | |
163 | $DESCRIPTOR (unixtime,"1-JAN-1970 0:00:00.00"); \ | |
164 | SYS$BINTIM (&unixtime, &reftime); \ | |
165 | Y = tmptime * 10000000 + reftime; } | |
166 | ||
167 | /* descrip.h doesn't have everything ... */ | |
8620a406 | 168 | typedef struct fibdef* __fibdef_ptr32 __attribute__ (( mode (SI) )); |
d8dd2062 | 169 | struct dsc$descriptor_fib |
170 | { | |
8620a406 | 171 | unsigned int fib$l_len; |
172 | __fibdef_ptr32 fib$l_addr; | |
d8dd2062 | 173 | }; |
174 | ||
71a3e619 | 175 | /* I/O Status Block. */ |
d8dd2062 | 176 | struct IOSB |
9dfe12ae | 177 | { |
d8dd2062 | 178 | unsigned short status, count; |
8620a406 | 179 | unsigned int devdep; |
d8dd2062 | 180 | }; |
181 | ||
182 | static char *tryfile; | |
183 | ||
71a3e619 | 184 | /* Variable length string. */ |
d8dd2062 | 185 | struct vstring |
186 | { | |
187 | short length; | |
f15731c4 | 188 | char string[NAM$C_MAXRSS+1]; |
d8dd2062 | 189 | }; |
190 | ||
d8dd2062 | 191 | #else |
192 | #include <utime.h> | |
193 | #endif | |
194 | ||
30592778 | 195 | #if defined (_WIN32) |
1fac938e | 196 | #include <process.h> |
197 | #endif | |
198 | ||
199 | #if defined (_WIN32) | |
4c4697b8 | 200 | |
1fac938e | 201 | #include <dir.h> |
202 | #include <windows.h> | |
7db1ef17 | 203 | #include <accctrl.h> |
204 | #include <aclapi.h> | |
fef772a5 | 205 | #undef DIR_SEPARATOR |
206 | #define DIR_SEPARATOR '\\' | |
1fac938e | 207 | #endif |
208 | ||
209 | #include "adaint.h" | |
210 | ||
211 | /* Define symbols O_BINARY and O_TEXT as harmless zeroes if they are not | |
212 | defined in the current system. On DOS-like systems these flags control | |
213 | whether the file is opened/created in text-translation mode (CR/LF in | |
214 | external file mapped to LF in internal file), but in Unix-like systems, | |
215 | no text translation is required, so these flags have no effect. */ | |
216 | ||
1fac938e | 217 | #ifndef O_BINARY |
218 | #define O_BINARY 0 | |
219 | #endif | |
220 | ||
221 | #ifndef O_TEXT | |
222 | #define O_TEXT 0 | |
223 | #endif | |
224 | ||
225 | #ifndef HOST_EXECUTABLE_SUFFIX | |
226 | #define HOST_EXECUTABLE_SUFFIX "" | |
227 | #endif | |
228 | ||
229 | #ifndef HOST_OBJECT_SUFFIX | |
230 | #define HOST_OBJECT_SUFFIX ".o" | |
231 | #endif | |
232 | ||
233 | #ifndef PATH_SEPARATOR | |
234 | #define PATH_SEPARATOR ':' | |
235 | #endif | |
236 | ||
237 | #ifndef DIR_SEPARATOR | |
238 | #define DIR_SEPARATOR '/' | |
239 | #endif | |
240 | ||
a3b0f4f2 | 241 | /* Check for cross-compilation */ |
8c7d3bad | 242 | #if defined (CROSS_COMPILE) || defined (CROSS_DIRECTORY_STRUCTURE) |
243 | #define IS_CROSS 1 | |
a3b0f4f2 | 244 | int __gnat_is_cross_compiler = 1; |
245 | #else | |
8c7d3bad | 246 | #undef IS_CROSS |
a3b0f4f2 | 247 | int __gnat_is_cross_compiler = 0; |
248 | #endif | |
249 | ||
1fac938e | 250 | char __gnat_dir_separator = DIR_SEPARATOR; |
251 | ||
252 | char __gnat_path_separator = PATH_SEPARATOR; | |
253 | ||
254 | /* The GNAT_LIBRARY_TEMPLATE contains a list of expressions that define | |
255 | the base filenames that libraries specified with -lsomelib options | |
256 | may have. This is used by GNATMAKE to check whether an executable | |
257 | is up-to-date or not. The syntax is | |
258 | ||
259 | library_template ::= { pattern ; } pattern NUL | |
260 | pattern ::= [ prefix ] * [ postfix ] | |
261 | ||
262 | These should only specify names of static libraries as it makes | |
263 | no sense to determine at link time if dynamic-link libraries are | |
264 | up to date or not. Any libraries that are not found are supposed | |
265 | to be up-to-date: | |
266 | ||
267 | * if they are needed but not present, the link | |
268 | will fail, | |
269 | ||
270 | * otherwise they are libraries in the system paths and so | |
271 | they are considered part of the system and not checked | |
272 | for that reason. | |
273 | ||
274 | ??? This should be part of a GNAT host-specific compiler | |
275 | file instead of being included in all user applications | |
f15731c4 | 276 | as well. This is only a temporary work-around for 3.11b. */ |
1fac938e | 277 | |
278 | #ifndef GNAT_LIBRARY_TEMPLATE | |
30592778 | 279 | #if defined (VMS) |
1fac938e | 280 | #define GNAT_LIBRARY_TEMPLATE "*.olb" |
281 | #else | |
282 | #define GNAT_LIBRARY_TEMPLATE "lib*.a" | |
283 | #endif | |
284 | #endif | |
285 | ||
286 | const char *__gnat_library_template = GNAT_LIBRARY_TEMPLATE; | |
287 | ||
f15731c4 | 288 | /* This variable is used in hostparm.ads to say whether the host is a VMS |
289 | system. */ | |
290 | #ifdef VMS | |
291 | const int __gnat_vmsp = 1; | |
292 | #else | |
293 | const int __gnat_vmsp = 0; | |
294 | #endif | |
295 | ||
30592778 | 296 | #if defined (VMS) |
9dfe12ae | 297 | #define GNAT_MAX_PATH_LEN 256 /* PATH_MAX */ |
e633acdc | 298 | |
5091bc2f | 299 | #elif defined (__vxworks) || defined (__OPENNT) || defined(__nucleus__) |
9dfe12ae | 300 | #define GNAT_MAX_PATH_LEN PATH_MAX |
301 | ||
302 | #else | |
303 | ||
304 | #if defined (__MINGW32__) | |
305 | #include "mingw32.h" | |
306 | ||
307 | #if OLD_MINGW | |
308 | #include <sys/param.h> | |
309 | #endif | |
e633acdc | 310 | |
311 | #else | |
312 | #include <sys/param.h> | |
9dfe12ae | 313 | #endif |
314 | ||
8ae72cac | 315 | #ifdef MAXPATHLEN |
9dfe12ae | 316 | #define GNAT_MAX_PATH_LEN MAXPATHLEN |
8ae72cac | 317 | #else |
318 | #define GNAT_MAX_PATH_LEN 256 | |
319 | #endif | |
e633acdc | 320 | |
321 | #endif | |
322 | ||
5f93bcbf | 323 | /* Used for Ada bindings */ |
d2697a05 | 324 | const int __gnat_size_of_file_attributes = sizeof (struct file_attributes); |
5f93bcbf | 325 | |
326 | /* Reset the file attributes as if no system call had been performed */ | |
327 | void __gnat_stat_to_attr (int fd, char* name, struct file_attributes* attr); | |
328 | ||
9dfe12ae | 329 | /* The __gnat_max_path_len variable is used to export the maximum |
330 | length of a path name to Ada code. max_path_len is also provided | |
331 | for compatibility with older GNAT versions, please do not use | |
332 | it. */ | |
333 | ||
334 | int __gnat_max_path_len = GNAT_MAX_PATH_LEN; | |
335 | int max_path_len = GNAT_MAX_PATH_LEN; | |
336 | ||
2726b813 | 337 | /* Control whether we can use ACL on Windows. */ |
338 | ||
339 | int __gnat_use_acl = 1; | |
340 | ||
1fac938e | 341 | /* The following macro HAVE_READDIR_R should be defined if the |
f15731c4 | 342 | system provides the routine readdir_r. */ |
1fac938e | 343 | #undef HAVE_READDIR_R |
344 | \f | |
6d9c3443 | 345 | #if defined(VMS) && defined (__LONG_POINTERS) |
346 | ||
347 | /* Return a 32 bit pointer to an array of 32 bit pointers | |
348 | given a 64 bit pointer to an array of 64 bit pointers */ | |
349 | ||
350 | typedef __char_ptr32 *__char_ptr_char_ptr32 __attribute__ ((mode (SI))); | |
351 | ||
352 | static __char_ptr_char_ptr32 | |
353 | to_ptr32 (char **ptr64) | |
354 | { | |
355 | int argc; | |
356 | __char_ptr_char_ptr32 short_argv; | |
357 | ||
358 | for (argc=0; ptr64[argc]; argc++); | |
359 | ||
360 | /* Reallocate argv with 32 bit pointers. */ | |
361 | short_argv = (__char_ptr_char_ptr32) decc$malloc | |
362 | (sizeof (__char_ptr32) * (argc + 1)); | |
363 | ||
364 | for (argc=0; ptr64[argc]; argc++) | |
365 | short_argv[argc] = (__char_ptr32) decc$strdup (ptr64[argc]); | |
366 | ||
367 | short_argv[argc] = (__char_ptr32) 0; | |
368 | return short_argv; | |
369 | ||
370 | } | |
371 | #define MAYBE_TO_PTR32(argv) to_ptr32 (argv) | |
372 | #else | |
373 | #define MAYBE_TO_PTR32(argv) argv | |
374 | #endif | |
375 | ||
44fef051 | 376 | static const char ATTR_UNSET = 127; |
bce992c9 | 377 | |
5f93bcbf | 378 | void |
d2697a05 | 379 | __gnat_reset_attributes |
5f93bcbf | 380 | (struct file_attributes* attr) |
381 | { | |
bce992c9 | 382 | attr->exists = ATTR_UNSET; |
5f93bcbf | 383 | |
bce992c9 | 384 | attr->writable = ATTR_UNSET; |
385 | attr->readable = ATTR_UNSET; | |
386 | attr->executable = ATTR_UNSET; | |
5f93bcbf | 387 | |
bce992c9 | 388 | attr->regular = ATTR_UNSET; |
389 | attr->symbolic_link = ATTR_UNSET; | |
390 | attr->directory = ATTR_UNSET; | |
5f93bcbf | 391 | |
392 | attr->timestamp = (OS_Time)-2; | |
393 | attr->file_length = -1; | |
394 | } | |
395 | ||
1e622f0e | 396 | OS_Time |
397 | __gnat_current_time | |
398 | (void) | |
399 | { | |
400 | time_t res = time (NULL); | |
401 | return (OS_Time) res; | |
402 | } | |
403 | ||
a17c817e | 404 | /* Return the current local time as a string in the ISO 8601 format of |
405 | "YYYY-MM-DD HH:MM:SS.SS". The returned string is 22 + 1 (NULL) characters | |
406 | long. */ | |
407 | ||
408 | void | |
409 | __gnat_current_time_string | |
410 | (char *result) | |
411 | { | |
412 | const char *format = "%Y-%m-%d %H:%M:%S"; | |
413 | /* Format string necessary to describe the ISO 8601 format */ | |
414 | ||
415 | const time_t t_val = time (NULL); | |
416 | ||
417 | strftime (result, 22, format, localtime (&t_val)); | |
418 | /* Convert the local time into a string following the ISO format, copying | |
419 | at most 22 characters into the result string. */ | |
420 | ||
421 | result [19] = '.'; | |
422 | result [20] = '0'; | |
423 | result [21] = '0'; | |
424 | /* The sub-seconds are manually set to zero since type time_t lacks the | |
425 | precision necessary for nanoseconds. */ | |
426 | } | |
427 | ||
1fac938e | 428 | void |
9dfe12ae | 429 | __gnat_to_gm_time |
430 | (OS_Time *p_time, | |
431 | int *p_year, | |
432 | int *p_month, | |
433 | int *p_day, | |
434 | int *p_hours, | |
435 | int *p_mins, | |
436 | int *p_secs) | |
1fac938e | 437 | { |
438 | struct tm *res; | |
9dfe12ae | 439 | time_t time = (time_t) *p_time; |
1fac938e | 440 | |
441 | #ifdef _WIN32 | |
442 | /* On Windows systems, the time is sometimes rounded up to the nearest | |
443 | even second, so if the number of seconds is odd, increment it. */ | |
444 | if (time & 1) | |
445 | time++; | |
446 | #endif | |
447 | ||
9dfe12ae | 448 | #ifdef VMS |
449 | res = localtime (&time); | |
450 | #else | |
1fac938e | 451 | res = gmtime (&time); |
9dfe12ae | 452 | #endif |
1fac938e | 453 | |
454 | if (res) | |
455 | { | |
456 | *p_year = res->tm_year; | |
457 | *p_month = res->tm_mon; | |
458 | *p_day = res->tm_mday; | |
459 | *p_hours = res->tm_hour; | |
460 | *p_mins = res->tm_min; | |
461 | *p_secs = res->tm_sec; | |
f15731c4 | 462 | } |
1fac938e | 463 | else |
464 | *p_year = *p_month = *p_day = *p_hours = *p_mins = *p_secs = 0; | |
465 | } | |
466 | ||
467 | /* Place the contents of the symbolic link named PATH in the buffer BUF, | |
468 | which has size BUFSIZ. If PATH is a symbolic link, then return the number | |
5091bc2f | 469 | of characters of its content in BUF. Otherwise, return -1. |
470 | For systems not supporting symbolic links, always return -1. */ | |
1fac938e | 471 | |
9dfe12ae | 472 | int |
f0a28ccb | 473 | __gnat_readlink (char *path ATTRIBUTE_UNUSED, |
474 | char *buf ATTRIBUTE_UNUSED, | |
475 | size_t bufsiz ATTRIBUTE_UNUSED) | |
1fac938e | 476 | { |
30592778 | 477 | #if defined (_WIN32) || defined (VMS) \ |
478 | || defined(__vxworks) || defined (__nucleus__) | |
1fac938e | 479 | return -1; |
480 | #else | |
481 | return readlink (path, buf, bufsiz); | |
482 | #endif | |
483 | } | |
484 | ||
5091bc2f | 485 | /* Creates a symbolic link named NEWPATH which contains the string OLDPATH. |
486 | If NEWPATH exists it will NOT be overwritten. | |
487 | For systems not supporting symbolic links, always return -1. */ | |
1fac938e | 488 | |
489 | int | |
f0a28ccb | 490 | __gnat_symlink (char *oldpath ATTRIBUTE_UNUSED, |
491 | char *newpath ATTRIBUTE_UNUSED) | |
1fac938e | 492 | { |
30592778 | 493 | #if defined (_WIN32) || defined (VMS) \ |
494 | || defined(__vxworks) || defined (__nucleus__) | |
1fac938e | 495 | return -1; |
496 | #else | |
497 | return symlink (oldpath, newpath); | |
498 | #endif | |
499 | } | |
500 | ||
f15731c4 | 501 | /* Try to lock a file, return 1 if success. */ |
1fac938e | 502 | |
30592778 | 503 | #if defined (__vxworks) || defined (__nucleus__) \ |
504 | || defined (_WIN32) || defined (VMS) | |
1fac938e | 505 | |
506 | /* Version that does not use link. */ | |
507 | ||
508 | int | |
9dfe12ae | 509 | __gnat_try_lock (char *dir, char *file) |
1fac938e | 510 | { |
1fac938e | 511 | int fd; |
3b18b370 | 512 | #ifdef __MINGW32__ |
513 | TCHAR wfull_path[GNAT_MAX_PATH_LEN]; | |
514 | TCHAR wfile[GNAT_MAX_PATH_LEN]; | |
515 | TCHAR wdir[GNAT_MAX_PATH_LEN]; | |
516 | ||
f60cc57d | 517 | S2WSC (wdir, dir, GNAT_MAX_PATH_LEN); |
518 | S2WSC (wfile, file, GNAT_MAX_PATH_LEN); | |
3b18b370 | 519 | |
520 | _stprintf (wfull_path, _T("%s%c%s"), wdir, _T(DIR_SEPARATOR), wfile); | |
521 | fd = _topen (wfull_path, O_CREAT | O_EXCL, 0600); | |
522 | #else | |
523 | char full_path[256]; | |
1fac938e | 524 | |
525 | sprintf (full_path, "%s%c%s", dir, DIR_SEPARATOR, file); | |
526 | fd = open (full_path, O_CREAT | O_EXCL, 0600); | |
3b18b370 | 527 | #endif |
528 | ||
f15731c4 | 529 | if (fd < 0) |
1fac938e | 530 | return 0; |
f15731c4 | 531 | |
1fac938e | 532 | close (fd); |
533 | return 1; | |
534 | } | |
535 | ||
1fac938e | 536 | #else |
f15731c4 | 537 | |
1fac938e | 538 | /* Version using link(), more secure over NFS. */ |
9dfe12ae | 539 | /* See TN 6913-016 for discussion ??? */ |
1fac938e | 540 | |
541 | int | |
9dfe12ae | 542 | __gnat_try_lock (char *dir, char *file) |
1fac938e | 543 | { |
f15731c4 | 544 | char full_path[256]; |
545 | char temp_file[256]; | |
8cb516d7 | 546 | GNAT_STRUCT_STAT stat_result; |
1fac938e | 547 | int fd; |
548 | ||
549 | sprintf (full_path, "%s%c%s", dir, DIR_SEPARATOR, file); | |
4a3f445c | 550 | sprintf (temp_file, "%s%cTMP-%ld-%ld", |
551 | dir, DIR_SEPARATOR, (long)getpid(), (long)getppid ()); | |
1fac938e | 552 | |
f15731c4 | 553 | /* Create the temporary file and write the process number. */ |
1fac938e | 554 | fd = open (temp_file, O_CREAT | O_WRONLY, 0600); |
555 | if (fd < 0) | |
556 | return 0; | |
557 | ||
558 | close (fd); | |
559 | ||
f15731c4 | 560 | /* Link it with the new file. */ |
1fac938e | 561 | link (temp_file, full_path); |
562 | ||
563 | /* Count the references on the old one. If we have a count of two, then | |
f15731c4 | 564 | the link did succeed. Remove the temporary file before returning. */ |
1fac938e | 565 | __gnat_stat (temp_file, &stat_result); |
566 | unlink (temp_file); | |
567 | return stat_result.st_nlink == 2; | |
568 | } | |
569 | #endif | |
570 | ||
571 | /* Return the maximum file name length. */ | |
572 | ||
573 | int | |
6f2c2693 | 574 | __gnat_get_maximum_file_name_length (void) |
1fac938e | 575 | { |
30592778 | 576 | #if defined (VMS) |
1fac938e | 577 | if (getenv ("GNAT$EXTENDED_FILE_SPECIFICATIONS")) |
578 | return -1; | |
579 | else | |
580 | return 39; | |
581 | #else | |
582 | return -1; | |
583 | #endif | |
584 | } | |
585 | ||
1fac938e | 586 | /* Return nonzero if file names are case sensitive. */ |
587 | ||
588 | int | |
6f2c2693 | 589 | __gnat_get_file_names_case_sensitive (void) |
1fac938e | 590 | { |
cd2495b4 | 591 | const char *sensitive = getenv ("GNAT_FILE_NAME_CASE_SENSITIVE"); |
592 | ||
593 | if (sensitive != NULL | |
594 | && (sensitive[0] == '0' || sensitive[0] == '1') | |
595 | && sensitive[1] == '\0') | |
596 | return sensitive[0] - '0'; | |
597 | else | |
6cba2d6a | 598 | #if defined (VMS) || defined (WINNT) || defined (__APPLE__) |
cd2495b4 | 599 | return 0; |
1fac938e | 600 | #else |
cd2495b4 | 601 | return 1; |
1fac938e | 602 | #endif |
603 | } | |
604 | ||
a027cdc7 | 605 | /* Return nonzero if environment variables are case sensitive. */ |
606 | ||
607 | int | |
608 | __gnat_get_env_vars_case_sensitive (void) | |
609 | { | |
610 | #if defined (VMS) || defined (WINNT) | |
611 | return 0; | |
612 | #else | |
613 | return 1; | |
614 | #endif | |
615 | } | |
616 | ||
1fac938e | 617 | char |
6f2c2693 | 618 | __gnat_get_default_identifier_character_set (void) |
1fac938e | 619 | { |
1fac938e | 620 | return '1'; |
1fac938e | 621 | } |
622 | ||
f15731c4 | 623 | /* Return the current working directory. */ |
1fac938e | 624 | |
625 | void | |
9dfe12ae | 626 | __gnat_get_current_dir (char *dir, int *length) |
1fac938e | 627 | { |
3b18b370 | 628 | #if defined (__MINGW32__) |
629 | TCHAR wdir[GNAT_MAX_PATH_LEN]; | |
630 | ||
631 | _tgetcwd (wdir, *length); | |
632 | ||
f60cc57d | 633 | WS2SC (dir, wdir, GNAT_MAX_PATH_LEN); |
3b18b370 | 634 | |
635 | #elif defined (VMS) | |
1fac938e | 636 | /* Force Unix style, which is what GNAT uses internally. */ |
637 | getcwd (dir, *length, 0); | |
638 | #else | |
639 | getcwd (dir, *length); | |
640 | #endif | |
641 | ||
642 | *length = strlen (dir); | |
643 | ||
9dfe12ae | 644 | if (dir [*length - 1] != DIR_SEPARATOR) |
645 | { | |
646 | dir [*length] = DIR_SEPARATOR; | |
647 | ++(*length); | |
648 | } | |
f15731c4 | 649 | dir[*length] = '\0'; |
1fac938e | 650 | } |
651 | ||
f15731c4 | 652 | /* Return the suffix for object files. */ |
1fac938e | 653 | |
654 | void | |
9dfe12ae | 655 | __gnat_get_object_suffix_ptr (int *len, const char **value) |
1fac938e | 656 | { |
657 | *value = HOST_OBJECT_SUFFIX; | |
658 | ||
659 | if (*value == 0) | |
660 | *len = 0; | |
661 | else | |
662 | *len = strlen (*value); | |
663 | ||
664 | return; | |
665 | } | |
666 | ||
f15731c4 | 667 | /* Return the suffix for executable files. */ |
1fac938e | 668 | |
669 | void | |
9dfe12ae | 670 | __gnat_get_executable_suffix_ptr (int *len, const char **value) |
1fac938e | 671 | { |
672 | *value = HOST_EXECUTABLE_SUFFIX; | |
673 | if (!*value) | |
674 | *len = 0; | |
675 | else | |
676 | *len = strlen (*value); | |
677 | ||
678 | return; | |
679 | } | |
680 | ||
681 | /* Return the suffix for debuggable files. Usually this is the same as the | |
f15731c4 | 682 | executable extension. */ |
1fac938e | 683 | |
684 | void | |
9dfe12ae | 685 | __gnat_get_debuggable_suffix_ptr (int *len, const char **value) |
1fac938e | 686 | { |
1fac938e | 687 | *value = HOST_EXECUTABLE_SUFFIX; |
1fac938e | 688 | |
689 | if (*value == 0) | |
690 | *len = 0; | |
691 | else | |
692 | *len = strlen (*value); | |
693 | ||
694 | return; | |
695 | } | |
696 | ||
1aa4b9ce | 697 | /* Returns the OS filename and corresponding encoding. */ |
698 | ||
699 | void | |
12e8797f | 700 | __gnat_os_filename (char *filename ATTRIBUTE_UNUSED, |
701 | char *w_filename ATTRIBUTE_UNUSED, | |
1aa4b9ce | 702 | char *os_name, int *o_length, |
c62e34a4 | 703 | char *encoding ATTRIBUTE_UNUSED, int *e_length) |
1aa4b9ce | 704 | { |
8c7d3bad | 705 | #if defined (_WIN32) && ! defined (__vxworks) && ! defined (IS_CROSS) |
7bb7733e | 706 | WS2SC (os_name, (TCHAR *)w_filename, (DWORD)*o_length); |
1aa4b9ce | 707 | *o_length = strlen (os_name); |
708 | strcpy (encoding, "encoding=utf8"); | |
709 | *e_length = strlen (encoding); | |
710 | #else | |
711 | strcpy (os_name, filename); | |
712 | *o_length = strlen (filename); | |
713 | *e_length = 0; | |
714 | #endif | |
715 | } | |
716 | ||
13320214 | 717 | /* Delete a file. */ |
718 | ||
719 | int | |
720 | __gnat_unlink (char *path) | |
721 | { | |
8c7d3bad | 722 | #if defined (__MINGW32__) && ! defined (__vxworks) && ! defined (IS_CROSS) |
13320214 | 723 | { |
724 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
725 | ||
f60cc57d | 726 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); |
13320214 | 727 | return _tunlink (wpath); |
728 | } | |
729 | #else | |
730 | return unlink (path); | |
731 | #endif | |
732 | } | |
733 | ||
734 | /* Rename a file. */ | |
735 | ||
736 | int | |
737 | __gnat_rename (char *from, char *to) | |
738 | { | |
8c7d3bad | 739 | #if defined (__MINGW32__) && ! defined (__vxworks) && ! defined (IS_CROSS) |
13320214 | 740 | { |
741 | TCHAR wfrom[GNAT_MAX_PATH_LEN], wto[GNAT_MAX_PATH_LEN]; | |
742 | ||
f60cc57d | 743 | S2WSC (wfrom, from, GNAT_MAX_PATH_LEN); |
744 | S2WSC (wto, to, GNAT_MAX_PATH_LEN); | |
13320214 | 745 | return _trename (wfrom, wto); |
746 | } | |
747 | #else | |
748 | return rename (from, to); | |
749 | #endif | |
750 | } | |
751 | ||
a8d94a8f | 752 | /* Changing directory. */ |
753 | ||
754 | int | |
755 | __gnat_chdir (char *path) | |
756 | { | |
8c7d3bad | 757 | #if defined (__MINGW32__) && ! defined (__vxworks) && ! defined (IS_CROSS) |
a8d94a8f | 758 | { |
759 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
760 | ||
f60cc57d | 761 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); |
a8d94a8f | 762 | return _tchdir (wpath); |
763 | } | |
764 | #else | |
765 | return chdir (path); | |
766 | #endif | |
767 | } | |
768 | ||
437991c2 | 769 | /* Removing a directory. */ |
770 | ||
771 | int | |
772 | __gnat_rmdir (char *path) | |
773 | { | |
8c7d3bad | 774 | #if defined (__MINGW32__) && ! defined (__vxworks) && ! defined (IS_CROSS) |
437991c2 | 775 | { |
776 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
777 | ||
f60cc57d | 778 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); |
437991c2 | 779 | return _trmdir (wpath); |
780 | } | |
2db7aef0 | 781 | #elif defined (VTHREADS) |
782 | /* rmdir not available */ | |
783 | return -1; | |
437991c2 | 784 | #else |
785 | return rmdir (path); | |
786 | #endif | |
787 | } | |
788 | ||
e2c62f37 | 789 | FILE * |
c62e34a4 | 790 | __gnat_fopen (char *path, char *mode, int encoding ATTRIBUTE_UNUSED) |
e2c62f37 | 791 | { |
8c7d3bad | 792 | #if defined (_WIN32) && ! defined (__vxworks) && ! defined (IS_CROSS) |
e2c62f37 | 793 | TCHAR wpath[GNAT_MAX_PATH_LEN]; |
794 | TCHAR wmode[10]; | |
795 | ||
e2c62f37 | 796 | S2WS (wmode, mode, 10); |
1e622f0e | 797 | |
f60cc57d | 798 | if (encoding == Encoding_Unspecified) |
799 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); | |
800 | else if (encoding == Encoding_UTF8) | |
1e622f0e | 801 | S2WSU (wpath, path, GNAT_MAX_PATH_LEN); |
802 | else | |
803 | S2WS (wpath, path, GNAT_MAX_PATH_LEN); | |
804 | ||
e2c62f37 | 805 | return _tfopen (wpath, wmode); |
1e622f0e | 806 | #elif defined (VMS) |
807 | return decc$fopen (path, mode); | |
e2c62f37 | 808 | #else |
8cb516d7 | 809 | return GNAT_FOPEN (path, mode); |
7465a8fe | 810 | #endif |
e2c62f37 | 811 | } |
812 | ||
e2c62f37 | 813 | FILE * |
c62e34a4 | 814 | __gnat_freopen (char *path, char *mode, FILE *stream, int encoding ATTRIBUTE_UNUSED) |
e2c62f37 | 815 | { |
8c7d3bad | 816 | #if defined (_WIN32) && ! defined (__vxworks) && ! defined (IS_CROSS) |
e2c62f37 | 817 | TCHAR wpath[GNAT_MAX_PATH_LEN]; |
818 | TCHAR wmode[10]; | |
819 | ||
e2c62f37 | 820 | S2WS (wmode, mode, 10); |
1e622f0e | 821 | |
f60cc57d | 822 | if (encoding == Encoding_Unspecified) |
823 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); | |
824 | else if (encoding == Encoding_UTF8) | |
1e622f0e | 825 | S2WSU (wpath, path, GNAT_MAX_PATH_LEN); |
826 | else | |
827 | S2WS (wpath, path, GNAT_MAX_PATH_LEN); | |
828 | ||
e2c62f37 | 829 | return _tfreopen (wpath, wmode, stream); |
1e622f0e | 830 | #elif defined (VMS) |
831 | return decc$freopen (path, mode, stream); | |
e2c62f37 | 832 | #else |
833 | return freopen (path, mode, stream); | |
834 | #endif | |
835 | } | |
836 | ||
1fac938e | 837 | int |
9dfe12ae | 838 | __gnat_open_read (char *path, int fmode) |
1fac938e | 839 | { |
840 | int fd; | |
841 | int o_fmode = O_BINARY; | |
842 | ||
843 | if (fmode) | |
844 | o_fmode = O_TEXT; | |
845 | ||
f15731c4 | 846 | #if defined (VMS) |
847 | /* Optional arguments mbc,deq,fop increase read performance. */ | |
1fac938e | 848 | fd = open (path, O_RDONLY | o_fmode, 0444, |
849 | "mbc=16", "deq=64", "fop=tef"); | |
f15731c4 | 850 | #elif defined (__vxworks) |
1fac938e | 851 | fd = open (path, O_RDONLY | o_fmode, 0444); |
3b18b370 | 852 | #elif defined (__MINGW32__) |
853 | { | |
854 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
855 | ||
f60cc57d | 856 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); |
3b18b370 | 857 | fd = _topen (wpath, O_RDONLY | o_fmode, 0444); |
858 | } | |
1fac938e | 859 | #else |
860 | fd = open (path, O_RDONLY | o_fmode); | |
861 | #endif | |
f15731c4 | 862 | |
1fac938e | 863 | return fd < 0 ? -1 : fd; |
864 | } | |
865 | ||
30592778 | 866 | #if defined (__MINGW32__) |
1fac938e | 867 | #define PERM (S_IREAD | S_IWRITE) |
9dfe12ae | 868 | #elif defined (VMS) |
869 | /* Excerpt from DECC C RTL Reference Manual: | |
870 | To create files with OpenVMS RMS default protections using the UNIX | |
871 | system-call functions umask, mkdir, creat, and open, call mkdir, creat, | |
872 | and open with a file-protection mode argument of 0777 in a program | |
873 | that never specifically calls umask. These default protections include | |
874 | correctly establishing protections based on ACLs, previous versions of | |
875 | files, and so on. */ | |
876 | #define PERM 0777 | |
1fac938e | 877 | #else |
878 | #define PERM (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH) | |
879 | #endif | |
880 | ||
881 | int | |
9dfe12ae | 882 | __gnat_open_rw (char *path, int fmode) |
1fac938e | 883 | { |
884 | int fd; | |
885 | int o_fmode = O_BINARY; | |
886 | ||
887 | if (fmode) | |
888 | o_fmode = O_TEXT; | |
889 | ||
f15731c4 | 890 | #if defined (VMS) |
1fac938e | 891 | fd = open (path, O_RDWR | o_fmode, PERM, |
892 | "mbc=16", "deq=64", "fop=tef"); | |
3b18b370 | 893 | #elif defined (__MINGW32__) |
894 | { | |
895 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
896 | ||
f60cc57d | 897 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); |
3b18b370 | 898 | fd = _topen (wpath, O_RDWR | o_fmode, PERM); |
899 | } | |
1fac938e | 900 | #else |
901 | fd = open (path, O_RDWR | o_fmode, PERM); | |
902 | #endif | |
903 | ||
904 | return fd < 0 ? -1 : fd; | |
905 | } | |
906 | ||
907 | int | |
9dfe12ae | 908 | __gnat_open_create (char *path, int fmode) |
1fac938e | 909 | { |
910 | int fd; | |
911 | int o_fmode = O_BINARY; | |
912 | ||
913 | if (fmode) | |
914 | o_fmode = O_TEXT; | |
915 | ||
f15731c4 | 916 | #if defined (VMS) |
1fac938e | 917 | fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | o_fmode, PERM, |
918 | "mbc=16", "deq=64", "fop=tef"); | |
3b18b370 | 919 | #elif defined (__MINGW32__) |
920 | { | |
921 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
922 | ||
f60cc57d | 923 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); |
3b18b370 | 924 | fd = _topen (wpath, O_WRONLY | O_CREAT | O_TRUNC | o_fmode, PERM); |
925 | } | |
1fac938e | 926 | #else |
927 | fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | o_fmode, PERM); | |
928 | #endif | |
929 | ||
930 | return fd < 0 ? -1 : fd; | |
28ed91d4 | 931 | } |
932 | ||
933 | int | |
934 | __gnat_create_output_file (char *path) | |
935 | { | |
936 | int fd; | |
937 | #if defined (VMS) | |
938 | fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT, PERM, | |
939 | "rfm=stmlf", "ctx=rec", "rat=none", "rop=nlk", | |
940 | "shr=del,get,put,upd"); | |
3b18b370 | 941 | #elif defined (__MINGW32__) |
942 | { | |
943 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
944 | ||
f60cc57d | 945 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); |
3b18b370 | 946 | fd = _topen (wpath, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT, PERM); |
947 | } | |
28ed91d4 | 948 | #else |
949 | fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT, PERM); | |
950 | #endif | |
951 | ||
952 | return fd < 0 ? -1 : fd; | |
1fac938e | 953 | } |
954 | ||
df40eeb0 | 955 | int |
956 | __gnat_create_output_file_new (char *path) | |
957 | { | |
958 | int fd; | |
959 | #if defined (VMS) | |
960 | fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT | O_EXCL, PERM, | |
961 | "rfm=stmlf", "ctx=rec", "rat=none", "rop=nlk", | |
962 | "shr=del,get,put,upd"); | |
963 | #elif defined (__MINGW32__) | |
964 | { | |
965 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
966 | ||
967 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); | |
968 | fd = _topen (wpath, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT | O_EXCL, PERM); | |
969 | } | |
970 | #else | |
971 | fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | O_TEXT | O_EXCL, PERM); | |
972 | #endif | |
973 | ||
974 | return fd < 0 ? -1 : fd; | |
975 | } | |
976 | ||
1fac938e | 977 | int |
9dfe12ae | 978 | __gnat_open_append (char *path, int fmode) |
1fac938e | 979 | { |
980 | int fd; | |
981 | int o_fmode = O_BINARY; | |
982 | ||
983 | if (fmode) | |
984 | o_fmode = O_TEXT; | |
985 | ||
f15731c4 | 986 | #if defined (VMS) |
1fac938e | 987 | fd = open (path, O_WRONLY | O_CREAT | O_APPEND | o_fmode, PERM, |
988 | "mbc=16", "deq=64", "fop=tef"); | |
3b18b370 | 989 | #elif defined (__MINGW32__) |
990 | { | |
991 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
992 | ||
f60cc57d | 993 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); |
3b18b370 | 994 | fd = _topen (wpath, O_WRONLY | O_CREAT | O_APPEND | o_fmode, PERM); |
995 | } | |
1fac938e | 996 | #else |
997 | fd = open (path, O_WRONLY | O_CREAT | O_APPEND | o_fmode, PERM); | |
998 | #endif | |
999 | ||
1000 | return fd < 0 ? -1 : fd; | |
1001 | } | |
1002 | ||
f15731c4 | 1003 | /* Open a new file. Return error (-1) if the file already exists. */ |
1fac938e | 1004 | |
1005 | int | |
9dfe12ae | 1006 | __gnat_open_new (char *path, int fmode) |
1fac938e | 1007 | { |
1008 | int fd; | |
1009 | int o_fmode = O_BINARY; | |
1010 | ||
1011 | if (fmode) | |
1012 | o_fmode = O_TEXT; | |
1013 | ||
f15731c4 | 1014 | #if defined (VMS) |
1fac938e | 1015 | fd = open (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM, |
1016 | "mbc=16", "deq=64", "fop=tef"); | |
3b18b370 | 1017 | #elif defined (__MINGW32__) |
1018 | { | |
1019 | TCHAR wpath[GNAT_MAX_PATH_LEN]; | |
1020 | ||
f60cc57d | 1021 | S2WSC (wpath, path, GNAT_MAX_PATH_LEN); |
3b18b370 | 1022 | fd = _topen (wpath, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM); |
1023 | } | |
1fac938e | 1024 | #else |
1025 | fd = open (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM); | |
1026 | #endif | |
1027 | ||
1028 | return fd < 0 ? -1 : fd; | |
1029 | } | |
1030 | ||
1031 | /* Open a new temp file. Return error (-1) if the file already exists. | |
f15731c4 | 1032 | Special options for VMS allow the file to be shared between parent and child |
1033 | processes, however they really slow down output. Used in gnatchop. */ | |
1fac938e | 1034 | |
1035 | int | |
9dfe12ae | 1036 | __gnat_open_new_temp (char *path, int fmode) |
1fac938e | 1037 | { |
1038 | int fd; | |
1039 | int o_fmode = O_BINARY; | |
1040 | ||
1041 | strcpy (path, "GNAT-XXXXXX"); | |
1042 | ||
e0324ff5 | 1043 | #if (defined (__FreeBSD__) || defined (__NetBSD__) || defined (__OpenBSD__) \ |
9d093602 | 1044 | || defined (linux) || defined(__GLIBC__)) && !defined (__vxworks) |
1fac938e | 1045 | return mkstemp (path); |
159eb63c | 1046 | #elif defined (__Lynx__) |
1047 | mktemp (path); | |
5091bc2f | 1048 | #elif defined (__nucleus__) |
1049 | return -1; | |
1fac938e | 1050 | #else |
1051 | if (mktemp (path) == NULL) | |
1052 | return -1; | |
1053 | #endif | |
1054 | ||
1055 | if (fmode) | |
1056 | o_fmode = O_TEXT; | |
1057 | ||
f15731c4 | 1058 | #if defined (VMS) |
1fac938e | 1059 | fd = open (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM, |
1060 | "rfm=stmlf", "ctx=rec", "rat=none", "shr=del,get,put,upd", | |
1061 | "mbc=16", "deq=64", "fop=tef"); | |
1062 | #else | |
1063 | fd = open (path, O_WRONLY | O_CREAT | O_EXCL | o_fmode, PERM); | |
1064 | #endif | |
1065 | ||
1066 | return fd < 0 ? -1 : fd; | |
1067 | } | |
1068 | ||
5f93bcbf | 1069 | /**************************************************************** |
1070 | ** Perform a call to GNAT_STAT or GNAT_FSTAT, and extract as much information | |
1071 | ** as possible from it, storing the result in a cache for later reuse | |
1072 | ****************************************************************/ | |
1fac938e | 1073 | |
5f93bcbf | 1074 | void |
1075 | __gnat_stat_to_attr (int fd, char* name, struct file_attributes* attr) | |
1fac938e | 1076 | { |
8cb516d7 | 1077 | GNAT_STRUCT_STAT statbuf; |
5f93bcbf | 1078 | int ret; |
1fac938e | 1079 | |
5f93bcbf | 1080 | if (fd != -1) |
1081 | ret = GNAT_FSTAT (fd, &statbuf); | |
1082 | else | |
1083 | ret = __gnat_stat (name, &statbuf); | |
1084 | ||
1085 | attr->regular = (!ret && S_ISREG (statbuf.st_mode)); | |
1086 | attr->directory = (!ret && S_ISDIR (statbuf.st_mode)); | |
1fac938e | 1087 | |
5f93bcbf | 1088 | if (!attr->regular) |
1089 | attr->file_length = 0; | |
1090 | else | |
1091 | /* st_size may be 32 bits, or 64 bits which is converted to long. We | |
1092 | don't return a useful value for files larger than 2 gigabytes in | |
1093 | either case. */ | |
1094 | attr->file_length = statbuf.st_size; /* all systems */ | |
1095 | ||
1096 | #ifndef __MINGW32__ | |
1097 | /* on Windows requires extra system call, see comment in __gnat_file_exists_attr */ | |
1098 | attr->exists = !ret; | |
1099 | #endif | |
1100 | ||
1101 | #if !defined (_WIN32) || defined (RTX) | |
1102 | /* on Windows requires extra system call, see __gnat_is_readable_file_attr */ | |
1103 | attr->readable = (!ret && (statbuf.st_mode & S_IRUSR)); | |
1104 | attr->writable = (!ret && (statbuf.st_mode & S_IWUSR)); | |
1105 | attr->executable = (!ret && (statbuf.st_mode & S_IXUSR)); | |
1106 | #endif | |
1107 | ||
30592778 | 1108 | #if !defined (_WIN32) || defined (RTX) |
5f93bcbf | 1109 | /* on Windows requires extra system call, see __gnat_file_time_name_attr */ |
1110 | if (ret != 0) { | |
1111 | attr->timestamp = (OS_Time)-1; | |
1112 | } else { | |
1113 | #ifdef VMS | |
1114 | /* VMS has file versioning. */ | |
1115 | attr->timestamp = (OS_Time)statbuf.st_ctime; | |
1116 | #else | |
1117 | attr->timestamp = (OS_Time)statbuf.st_mtime; | |
1118 | #endif | |
1119 | } | |
1120 | #endif | |
c85cfca7 | 1121 | |
1fac938e | 1122 | } |
1123 | ||
5f93bcbf | 1124 | /**************************************************************** |
1125 | ** Return the number of bytes in the specified file | |
1126 | ****************************************************************/ | |
d24d7e81 | 1127 | |
1128 | long | |
5f93bcbf | 1129 | __gnat_file_length_attr (int fd, char* name, struct file_attributes* attr) |
d24d7e81 | 1130 | { |
5f93bcbf | 1131 | if (attr->file_length == -1) { |
1132 | __gnat_stat_to_attr (fd, name, attr); | |
1133 | } | |
d24d7e81 | 1134 | |
5f93bcbf | 1135 | return attr->file_length; |
1136 | } | |
d24d7e81 | 1137 | |
5f93bcbf | 1138 | long |
1139 | __gnat_file_length (int fd) | |
1140 | { | |
1141 | struct file_attributes attr; | |
d2697a05 | 1142 | __gnat_reset_attributes (&attr); |
5f93bcbf | 1143 | return __gnat_file_length_attr (fd, NULL, &attr); |
1144 | } | |
c85cfca7 | 1145 | |
5f93bcbf | 1146 | long |
1147 | __gnat_named_file_length (char *name) | |
1148 | { | |
1149 | struct file_attributes attr; | |
d2697a05 | 1150 | __gnat_reset_attributes (&attr); |
5f93bcbf | 1151 | return __gnat_file_length_attr (-1, name, &attr); |
d24d7e81 | 1152 | } |
1153 | ||
1fac938e | 1154 | /* Create a temporary filename and put it in string pointed to by |
f15731c4 | 1155 | TMP_FILENAME. */ |
1fac938e | 1156 | |
1157 | void | |
9dfe12ae | 1158 | __gnat_tmp_name (char *tmp_filename) |
1fac938e | 1159 | { |
72772d89 | 1160 | #ifdef RTX |
f5099270 | 1161 | /* Variable used to create a series of unique names */ |
1162 | static int counter = 0; | |
1163 | ||
1164 | /* RTX in RTSS mode does not support tempnam nor tmpnam so we emulate it */ | |
1165 | strcpy (tmp_filename, "c:\\WINDOWS\\Temp\\gnat-"); | |
1166 | sprintf (&tmp_filename[strlen (tmp_filename)], "%d\0", counter++); | |
72772d89 | 1167 | |
1168 | #elif defined (__MINGW32__) | |
1fac938e | 1169 | { |
1170 | char *pname; | |
1171 | ||
1172 | /* tempnam tries to create a temporary file in directory pointed to by | |
1173 | TMP environment variable, in c:\temp if TMP is not set, and in | |
1174 | directory specified by P_tmpdir in stdio.h if c:\temp does not | |
1175 | exist. The filename will be created with the prefix "gnat-". */ | |
1176 | ||
1177 | pname = (char *) tempnam ("c:\\temp", "gnat-"); | |
1178 | ||
9dfe12ae | 1179 | /* if pname is NULL, the file was not created properly, the disk is full |
1180 | or there is no more free temporary files */ | |
1181 | ||
1182 | if (pname == NULL) | |
1183 | *tmp_filename = '\0'; | |
1184 | ||
f15731c4 | 1185 | /* If pname start with a back slash and not path information it means that |
1186 | the filename is valid for the current working directory. */ | |
1fac938e | 1187 | |
9dfe12ae | 1188 | else if (pname[0] == '\\') |
1fac938e | 1189 | { |
1190 | strcpy (tmp_filename, ".\\"); | |
1191 | strcat (tmp_filename, pname+1); | |
1192 | } | |
1193 | else | |
1194 | strcpy (tmp_filename, pname); | |
1195 | ||
1196 | free (pname); | |
1197 | } | |
f15731c4 | 1198 | |
e0324ff5 | 1199 | #elif defined (linux) || defined (__FreeBSD__) || defined (__NetBSD__) \ |
9d093602 | 1200 | || defined (__OpenBSD__) || defined(__GLIBC__) |
9dfe12ae | 1201 | #define MAX_SAFE_PATH 1000 |
1fac938e | 1202 | char *tmpdir = getenv ("TMPDIR"); |
1203 | ||
9dfe12ae | 1204 | /* If tmpdir is longer than MAX_SAFE_PATH, revert to default value to avoid |
1205 | a buffer overflow. */ | |
1206 | if (tmpdir == NULL || strlen (tmpdir) > MAX_SAFE_PATH) | |
1fac938e | 1207 | strcpy (tmp_filename, "/tmp/gnat-XXXXXX"); |
1208 | else | |
9dfe12ae | 1209 | sprintf (tmp_filename, "%s/gnat-XXXXXX", tmpdir); |
1fac938e | 1210 | |
1211 | close (mkstemp(tmp_filename)); | |
1212 | #else | |
1213 | tmpnam (tmp_filename); | |
1214 | #endif | |
1215 | } | |
1216 | ||
3b18b370 | 1217 | /* Open directory and returns a DIR pointer. */ |
1218 | ||
1219 | DIR* __gnat_opendir (char *name) | |
1220 | { | |
e2a33c18 | 1221 | #if defined (RTX) |
1222 | /* Not supported in RTX */ | |
1223 | ||
1224 | return NULL; | |
1225 | ||
1226 | #elif defined (__MINGW32__) | |
3b18b370 | 1227 | TCHAR wname[GNAT_MAX_PATH_LEN]; |
1228 | ||
f60cc57d | 1229 | S2WSC (wname, name, GNAT_MAX_PATH_LEN); |
3b18b370 | 1230 | return (DIR*)_topendir (wname); |
1231 | ||
1232 | #else | |
1233 | return opendir (name); | |
1234 | #endif | |
1235 | } | |
1236 | ||
1fac938e | 1237 | /* Read the next entry in a directory. The returned string points somewhere |
1238 | in the buffer. */ | |
1239 | ||
1240 | char * | |
3b18b370 | 1241 | __gnat_readdir (DIR *dirp, char *buffer, int *len) |
1fac938e | 1242 | { |
e2a33c18 | 1243 | #if defined (RTX) |
1244 | /* Not supported in RTX */ | |
1245 | ||
1246 | return NULL; | |
8e726ab4 | 1247 | |
e2a33c18 | 1248 | #elif defined (__MINGW32__) |
3b18b370 | 1249 | struct _tdirent *dirent = _treaddir ((_TDIR*)dirp); |
1250 | ||
1251 | if (dirent != NULL) | |
1252 | { | |
f60cc57d | 1253 | WS2SC (buffer, dirent->d_name, GNAT_MAX_PATH_LEN); |
3b18b370 | 1254 | *len = strlen (buffer); |
1255 | ||
1256 | return buffer; | |
1257 | } | |
1258 | else | |
1259 | return NULL; | |
1260 | ||
1261 | #elif defined (HAVE_READDIR_R) | |
1fac938e | 1262 | /* If possible, try to use the thread-safe version. */ |
1fac938e | 1263 | if (readdir_r (dirp, buffer) != NULL) |
1aa4b9ce | 1264 | { |
1265 | *len = strlen (((struct dirent*) buffer)->d_name); | |
1266 | return ((struct dirent*) buffer)->d_name; | |
1267 | } | |
1fac938e | 1268 | else |
1269 | return NULL; | |
1270 | ||
1271 | #else | |
5b941af6 | 1272 | struct dirent *dirent = (struct dirent *) readdir (dirp); |
1fac938e | 1273 | |
1274 | if (dirent != NULL) | |
1275 | { | |
1276 | strcpy (buffer, dirent->d_name); | |
3b18b370 | 1277 | *len = strlen (buffer); |
1fac938e | 1278 | return buffer; |
1279 | } | |
1280 | else | |
1281 | return NULL; | |
1282 | ||
1283 | #endif | |
1284 | } | |
1285 | ||
3b18b370 | 1286 | /* Close a directory entry. */ |
1287 | ||
1288 | int __gnat_closedir (DIR *dirp) | |
1289 | { | |
e2a33c18 | 1290 | #if defined (RTX) |
1291 | /* Not supported in RTX */ | |
1292 | ||
1293 | return 0; | |
1294 | ||
1295 | #elif defined (__MINGW32__) | |
3b18b370 | 1296 | return _tclosedir ((_TDIR*)dirp); |
1297 | ||
1298 | #else | |
1299 | return closedir (dirp); | |
1300 | #endif | |
1301 | } | |
1302 | ||
1fac938e | 1303 | /* Returns 1 if readdir is thread safe, 0 otherwise. */ |
1304 | ||
1305 | int | |
6f2c2693 | 1306 | __gnat_readdir_is_thread_safe (void) |
1fac938e | 1307 | { |
1308 | #ifdef HAVE_READDIR_R | |
1309 | return 1; | |
1310 | #else | |
1311 | return 0; | |
1312 | #endif | |
1313 | } | |
1314 | ||
e2a33c18 | 1315 | #if defined (_WIN32) && !defined (RTX) |
982e2721 | 1316 | /* Number of seconds between <Jan 1st 1601> and <Jan 1st 1970>. */ |
1317 | static const unsigned long long w32_epoch_offset = 11644473600ULL; | |
1fac938e | 1318 | |
1319 | /* Returns the file modification timestamp using Win32 routines which are | |
1320 | immune against daylight saving time change. It is in fact not possible to | |
1321 | use fstat for this purpose as the DST modify the st_mtime field of the | |
1322 | stat structure. */ | |
1323 | ||
1324 | static time_t | |
9dfe12ae | 1325 | win32_filetime (HANDLE h) |
1fac938e | 1326 | { |
982e2721 | 1327 | union |
1328 | { | |
1329 | FILETIME ft_time; | |
1330 | unsigned long long ull_time; | |
1331 | } t_write; | |
1fac938e | 1332 | |
1333 | /* GetFileTime returns FILETIME data which are the number of 100 nanosecs | |
1334 | since <Jan 1st 1601>. This function must return the number of seconds | |
1335 | since <Jan 1st 1970>. */ | |
1336 | ||
982e2721 | 1337 | if (GetFileTime (h, NULL, NULL, &t_write.ft_time)) |
3b18b370 | 1338 | return (time_t) (t_write.ull_time / 10000000ULL - w32_epoch_offset); |
982e2721 | 1339 | return (time_t) 0; |
1fac938e | 1340 | } |
1341 | #endif | |
1342 | ||
1343 | /* Return a GNAT time stamp given a file name. */ | |
1344 | ||
1bbc9831 | 1345 | OS_Time |
5f93bcbf | 1346 | __gnat_file_time_name_attr (char* name, struct file_attributes* attr) |
1fac938e | 1347 | { |
5f93bcbf | 1348 | if (attr->timestamp == (OS_Time)-2) { |
30592778 | 1349 | #if defined (_WIN32) && !defined (RTX) |
5f93bcbf | 1350 | time_t ret = -1; |
1351 | TCHAR wname[GNAT_MAX_PATH_LEN]; | |
1352 | S2WSC (wname, name, GNAT_MAX_PATH_LEN); | |
3b18b370 | 1353 | |
5f93bcbf | 1354 | HANDLE h = CreateFile |
1355 | (wname, GENERIC_READ, FILE_SHARE_READ, 0, | |
1356 | OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, 0); | |
fabb7dc5 | 1357 | |
5f93bcbf | 1358 | if (h != INVALID_HANDLE_VALUE) { |
1359 | ret = win32_filetime (h); | |
1360 | CloseHandle (h); | |
1361 | } | |
1362 | attr->timestamp = (OS_Time) ret; | |
1fac938e | 1363 | #else |
5f93bcbf | 1364 | __gnat_stat_to_attr (-1, name, attr); |
1fac938e | 1365 | #endif |
1bbc9831 | 1366 | } |
5f93bcbf | 1367 | return attr->timestamp; |
1368 | } | |
1369 | ||
1370 | OS_Time | |
1371 | __gnat_file_time_name (char *name) | |
1372 | { | |
1373 | struct file_attributes attr; | |
d2697a05 | 1374 | __gnat_reset_attributes (&attr); |
5f93bcbf | 1375 | return __gnat_file_time_name_attr (name, &attr); |
1fac938e | 1376 | } |
1377 | ||
1378 | /* Return a GNAT time stamp given a file descriptor. */ | |
1379 | ||
1bbc9831 | 1380 | OS_Time |
5f93bcbf | 1381 | __gnat_file_time_fd_attr (int fd, struct file_attributes* attr) |
1fac938e | 1382 | { |
5f93bcbf | 1383 | if (attr->timestamp == (OS_Time)-2) { |
30592778 | 1384 | #if defined (_WIN32) && !defined (RTX) |
5f93bcbf | 1385 | HANDLE h = (HANDLE) _get_osfhandle (fd); |
1386 | time_t ret = win32_filetime (h); | |
1387 | attr->timestamp = (OS_Time) ret; | |
1fac938e | 1388 | |
1389 | #else | |
5f93bcbf | 1390 | __gnat_stat_to_attr (fd, NULL, attr); |
1fac938e | 1391 | #endif |
5f93bcbf | 1392 | } |
1393 | ||
1394 | return attr->timestamp; | |
1395 | } | |
1396 | ||
1397 | OS_Time | |
1398 | __gnat_file_time_fd (int fd) | |
1399 | { | |
1400 | struct file_attributes attr; | |
d2697a05 | 1401 | __gnat_reset_attributes (&attr); |
5f93bcbf | 1402 | return __gnat_file_time_fd_attr (fd, &attr); |
1fac938e | 1403 | } |
1404 | ||
f15731c4 | 1405 | /* Set the file time stamp. */ |
d8dd2062 | 1406 | |
1407 | void | |
9dfe12ae | 1408 | __gnat_set_file_time_name (char *name, time_t time_stamp) |
d8dd2062 | 1409 | { |
30592778 | 1410 | #if defined (__vxworks) |
71a3e619 | 1411 | |
f15731c4 | 1412 | /* Code to implement __gnat_set_file_time_name for these systems. */ |
71a3e619 | 1413 | |
e2a33c18 | 1414 | #elif defined (_WIN32) && !defined (RTX) |
982e2721 | 1415 | union |
1416 | { | |
1417 | FILETIME ft_time; | |
1418 | unsigned long long ull_time; | |
1419 | } t_write; | |
3b18b370 | 1420 | TCHAR wname[GNAT_MAX_PATH_LEN]; |
fabb7dc5 | 1421 | |
f60cc57d | 1422 | S2WSC (wname, name, GNAT_MAX_PATH_LEN); |
3b18b370 | 1423 | |
1424 | HANDLE h = CreateFile | |
1425 | (wname, GENERIC_WRITE, FILE_SHARE_WRITE, NULL, | |
1426 | OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, | |
1427 | NULL); | |
982e2721 | 1428 | if (h == INVALID_HANDLE_VALUE) |
1429 | return; | |
1430 | /* Add number of seconds between <Jan 1st 1601> and <Jan 1st 1970> */ | |
1431 | t_write.ull_time = ((unsigned long long)time_stamp + w32_epoch_offset); | |
1432 | /* Convert to 100 nanosecond units */ | |
1433 | t_write.ull_time *= 10000000ULL; | |
1434 | ||
1435 | SetFileTime(h, NULL, NULL, &t_write.ft_time); | |
1436 | CloseHandle (h); | |
1437 | return; | |
1438 | ||
d8dd2062 | 1439 | #elif defined (VMS) |
1440 | struct FAB fab; | |
1441 | struct NAM nam; | |
1442 | ||
1443 | struct | |
1444 | { | |
1445 | unsigned long long backup, create, expire, revise; | |
8620a406 | 1446 | unsigned int uic; |
d8dd2062 | 1447 | union |
1448 | { | |
1449 | unsigned short value; | |
1450 | struct | |
1451 | { | |
1452 | unsigned system : 4; | |
1453 | unsigned owner : 4; | |
1454 | unsigned group : 4; | |
1455 | unsigned world : 4; | |
1456 | } bits; | |
1457 | } prot; | |
f15731c4 | 1458 | } Fat = { 0, 0, 0, 0, 0, { 0 }}; |
d8dd2062 | 1459 | |
f15731c4 | 1460 | ATRDEF atrlst[] |
d8dd2062 | 1461 | = { |
1462 | { ATR$S_CREDATE, ATR$C_CREDATE, &Fat.create }, | |
1463 | { ATR$S_REVDATE, ATR$C_REVDATE, &Fat.revise }, | |
1464 | { ATR$S_EXPDATE, ATR$C_EXPDATE, &Fat.expire }, | |
1465 | { ATR$S_BAKDATE, ATR$C_BAKDATE, &Fat.backup }, | |
f15731c4 | 1466 | { ATR$S_FPRO, ATR$C_FPRO, &Fat.prot }, |
d8dd2062 | 1467 | { ATR$S_UIC, ATR$C_UIC, &Fat.uic }, |
1468 | { 0, 0, 0} | |
1469 | }; | |
1470 | ||
1471 | FIBDEF fib; | |
1472 | struct dsc$descriptor_fib fibdsc = {sizeof (fib), (void *) &fib}; | |
1473 | ||
1474 | struct IOSB iosb; | |
1475 | ||
1476 | unsigned long long newtime; | |
1477 | unsigned long long revtime; | |
1478 | long status; | |
1479 | short chan; | |
1480 | ||
1481 | struct vstring file; | |
1482 | struct dsc$descriptor_s filedsc | |
1483 | = {NAM$C_MAXRSS, DSC$K_DTYPE_T, DSC$K_CLASS_S, (void *) file.string}; | |
1484 | struct vstring device; | |
1485 | struct dsc$descriptor_s devicedsc | |
1486 | = {NAM$C_MAXRSS, DSC$K_DTYPE_T, DSC$K_CLASS_S, (void *) device.string}; | |
1487 | struct vstring timev; | |
1488 | struct dsc$descriptor_s timedsc | |
1489 | = {NAM$C_MAXRSS, DSC$K_DTYPE_T, DSC$K_CLASS_S, (void *) timev.string}; | |
1490 | struct vstring result; | |
1491 | struct dsc$descriptor_s resultdsc | |
1492 | = {NAM$C_MAXRSS, DSC$K_DTYPE_VT, DSC$K_CLASS_VS, (void *) result.string}; | |
1493 | ||
3b18b370 | 1494 | /* Convert parameter name (a file spec) to host file form. Note that this |
1495 | is needed on VMS to prepare for subsequent calls to VMS RMS library | |
1496 | routines. Note that it would not work to call __gnat_to_host_dir_spec | |
1497 | as was done in a previous version, since this fails silently unless | |
1498 | the feature logical DECC$EFS_CHARSET is enabled, in which case a DNF | |
1499 | (directory not found) condition is signalled. */ | |
1500 | tryfile = (char *) __gnat_to_host_file_spec (name); | |
d8dd2062 | 1501 | |
f15731c4 | 1502 | /* Allocate and initialize a FAB and NAM structures. */ |
d8dd2062 | 1503 | fab = cc$rms_fab; |
1504 | nam = cc$rms_nam; | |
1505 | ||
1506 | nam.nam$l_esa = file.string; | |
1507 | nam.nam$b_ess = NAM$C_MAXRSS; | |
1508 | nam.nam$l_rsa = result.string; | |
1509 | nam.nam$b_rss = NAM$C_MAXRSS; | |
1510 | fab.fab$l_fna = tryfile; | |
1511 | fab.fab$b_fns = strlen (tryfile); | |
1512 | fab.fab$l_nam = &nam; | |
1513 | ||
f15731c4 | 1514 | /* Validate filespec syntax and device existence. */ |
d8dd2062 | 1515 | status = SYS$PARSE (&fab, 0, 0); |
1516 | if ((status & 1) != 1) | |
1517 | LIB$SIGNAL (status); | |
1518 | ||
f15731c4 | 1519 | file.string[nam.nam$b_esl] = 0; |
d8dd2062 | 1520 | |
f15731c4 | 1521 | /* Find matching filespec. */ |
d8dd2062 | 1522 | status = SYS$SEARCH (&fab, 0, 0); |
1523 | if ((status & 1) != 1) | |
1524 | LIB$SIGNAL (status); | |
1525 | ||
f15731c4 | 1526 | file.string[nam.nam$b_esl] = 0; |
1527 | result.string[result.length=nam.nam$b_rsl] = 0; | |
d8dd2062 | 1528 | |
f15731c4 | 1529 | /* Get the device name and assign an IO channel. */ |
d8dd2062 | 1530 | strncpy (device.string, nam.nam$l_dev, nam.nam$b_dev); |
1531 | devicedsc.dsc$w_length = nam.nam$b_dev; | |
1532 | chan = 0; | |
1533 | status = SYS$ASSIGN (&devicedsc, &chan, 0, 0, 0); | |
1534 | if ((status & 1) != 1) | |
1535 | LIB$SIGNAL (status); | |
1536 | ||
f15731c4 | 1537 | /* Initialize the FIB and fill in the directory id field. */ |
1538 | memset (&fib, 0, sizeof (fib)); | |
1539 | fib.fib$w_did[0] = nam.nam$w_did[0]; | |
1540 | fib.fib$w_did[1] = nam.nam$w_did[1]; | |
1541 | fib.fib$w_did[2] = nam.nam$w_did[2]; | |
d8dd2062 | 1542 | fib.fib$l_acctl = 0; |
1543 | fib.fib$l_wcc = 0; | |
1544 | strcpy (file.string, (strrchr (result.string, ']') + 1)); | |
1545 | filedsc.dsc$w_length = strlen (file.string); | |
f15731c4 | 1546 | result.string[result.length = 0] = 0; |
d8dd2062 | 1547 | |
1548 | /* Open and close the file to fill in the attributes. */ | |
1549 | status | |
1550 | = SYS$QIOW (0, chan, IO$_ACCESS|IO$M_ACCESS, &iosb, 0, 0, | |
1551 | &fibdsc, &filedsc, &result.length, &resultdsc, &atrlst, 0); | |
1552 | if ((status & 1) != 1) | |
1553 | LIB$SIGNAL (status); | |
1554 | if ((iosb.status & 1) != 1) | |
1555 | LIB$SIGNAL (iosb.status); | |
1556 | ||
f15731c4 | 1557 | result.string[result.length] = 0; |
1558 | status = SYS$QIOW (0, chan, IO$_DEACCESS, &iosb, 0, 0, &fibdsc, 0, 0, 0, | |
1559 | &atrlst, 0); | |
d8dd2062 | 1560 | if ((status & 1) != 1) |
1561 | LIB$SIGNAL (status); | |
1562 | if ((iosb.status & 1) != 1) | |
1563 | LIB$SIGNAL (iosb.status); | |
1564 | ||
d8dd2062 | 1565 | { |
1566 | time_t t; | |
f15731c4 | 1567 | |
1568 | /* Set creation time to requested time. */ | |
9dfe12ae | 1569 | unix_time_to_vms (time_stamp, newtime); |
f15731c4 | 1570 | |
d8dd2062 | 1571 | t = time ((time_t) 0); |
d8dd2062 | 1572 | |
f15731c4 | 1573 | /* Set revision time to now in local time. */ |
9dfe12ae | 1574 | unix_time_to_vms (t, revtime); |
d8dd2062 | 1575 | } |
1576 | ||
f15731c4 | 1577 | /* Reopen the file, modify the times and then close. */ |
d8dd2062 | 1578 | fib.fib$l_acctl = FIB$M_WRITE; |
1579 | status | |
1580 | = SYS$QIOW (0, chan, IO$_ACCESS|IO$M_ACCESS, &iosb, 0, 0, | |
1581 | &fibdsc, &filedsc, &result.length, &resultdsc, &atrlst, 0); | |
1582 | if ((status & 1) != 1) | |
1583 | LIB$SIGNAL (status); | |
1584 | if ((iosb.status & 1) != 1) | |
1585 | LIB$SIGNAL (iosb.status); | |
1586 | ||
1587 | Fat.create = newtime; | |
1588 | Fat.revise = revtime; | |
1589 | ||
1590 | status = SYS$QIOW (0, chan, IO$_DEACCESS, &iosb, 0, 0, | |
1591 | &fibdsc, 0, 0, 0, &atrlst, 0); | |
1592 | if ((status & 1) != 1) | |
1593 | LIB$SIGNAL (status); | |
1594 | if ((iosb.status & 1) != 1) | |
1595 | LIB$SIGNAL (iosb.status); | |
1596 | ||
f15731c4 | 1597 | /* Deassign the channel and exit. */ |
d8dd2062 | 1598 | status = SYS$DASSGN (chan); |
1599 | if ((status & 1) != 1) | |
1600 | LIB$SIGNAL (status); | |
1601 | #else | |
1602 | struct utimbuf utimbuf; | |
1603 | time_t t; | |
1604 | ||
f15731c4 | 1605 | /* Set modification time to requested time. */ |
d8dd2062 | 1606 | utimbuf.modtime = time_stamp; |
1607 | ||
f15731c4 | 1608 | /* Set access time to now in local time. */ |
d8dd2062 | 1609 | t = time ((time_t) 0); |
1610 | utimbuf.actime = mktime (localtime (&t)); | |
1611 | ||
1612 | utime (name, &utimbuf); | |
1613 | #endif | |
1614 | } | |
1615 | ||
1fac938e | 1616 | /* Get the list of installed standard libraries from the |
1617 | HKEY_LOCAL_MACHINE\SOFTWARE\Ada Core Technologies\GNAT\Standard Libraries | |
1618 | key. */ | |
1619 | ||
1620 | char * | |
6f2c2693 | 1621 | __gnat_get_libraries_from_registry (void) |
1fac938e | 1622 | { |
69d33a1d | 1623 | char *result = (char *) xmalloc (1); |
1624 | ||
1625 | result[0] = '\0'; | |
1fac938e | 1626 | |
8c7d3bad | 1627 | #if defined (_WIN32) && ! defined (__vxworks) && ! defined (IS_CROSS) \ |
1628 | && ! defined (RTX) | |
1fac938e | 1629 | |
1630 | HKEY reg_key; | |
1631 | DWORD name_size, value_size; | |
1632 | char name[256]; | |
1633 | char value[256]; | |
1634 | DWORD type; | |
1635 | DWORD index; | |
1636 | LONG res; | |
1637 | ||
1638 | /* First open the key. */ | |
1639 | res = RegOpenKeyExA (HKEY_LOCAL_MACHINE, "SOFTWARE", 0, KEY_READ, ®_key); | |
1640 | ||
1641 | if (res == ERROR_SUCCESS) | |
1642 | res = RegOpenKeyExA (reg_key, "Ada Core Technologies", 0, | |
1643 | KEY_READ, ®_key); | |
1644 | ||
1645 | if (res == ERROR_SUCCESS) | |
1646 | res = RegOpenKeyExA (reg_key, "GNAT", 0, KEY_READ, ®_key); | |
1647 | ||
1648 | if (res == ERROR_SUCCESS) | |
1649 | res = RegOpenKeyExA (reg_key, "Standard Libraries", 0, KEY_READ, ®_key); | |
1650 | ||
1651 | /* If the key exists, read out all the values in it and concatenate them | |
1652 | into a path. */ | |
1653 | for (index = 0; res == ERROR_SUCCESS; index++) | |
1654 | { | |
1655 | value_size = name_size = 256; | |
2726b813 | 1656 | res = RegEnumValueA (reg_key, index, name, &name_size, 0, |
e2c62f37 | 1657 | &type, (LPBYTE)value, &value_size); |
1fac938e | 1658 | |
1659 | if (res == ERROR_SUCCESS && type == REG_SZ) | |
1660 | { | |
1661 | char *old_result = result; | |
1662 | ||
1663 | result = (char *) xmalloc (strlen (old_result) + value_size + 2); | |
1664 | strcpy (result, old_result); | |
1665 | strcat (result, value); | |
1666 | strcat (result, ";"); | |
69d33a1d | 1667 | free (old_result); |
1fac938e | 1668 | } |
1669 | } | |
1670 | ||
1671 | /* Remove the trailing ";". */ | |
1672 | if (result[0] != 0) | |
1673 | result[strlen (result) - 1] = 0; | |
2b4d7555 | 1674 | |
69d33a1d | 1675 | #endif |
1fac938e | 1676 | return result; |
1677 | } | |
1678 | ||
1679 | int | |
8cb516d7 | 1680 | __gnat_stat (char *name, GNAT_STRUCT_STAT *statbuf) |
1fac938e | 1681 | { |
3b18b370 | 1682 | #ifdef __MINGW32__ |
1fac938e | 1683 | /* Under Windows the directory name for the stat function must not be |
8234fccd | 1684 | terminated by a directory separator except if just after a drive name |
1685 | or with UNC path without directory (only the name of the shared | |
1686 | resource), for example: \\computer\share\ */ | |
1687 | ||
3b18b370 | 1688 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
8234fccd | 1689 | int name_len, k; |
3b18b370 | 1690 | TCHAR last_char; |
8234fccd | 1691 | int dirsep_count = 0; |
3b18b370 | 1692 | |
f60cc57d | 1693 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); |
3b18b370 | 1694 | name_len = _tcslen (wname); |
e7b2d6bc | 1695 | |
1696 | if (name_len > GNAT_MAX_PATH_LEN) | |
1697 | return -1; | |
1fac938e | 1698 | |
3b18b370 | 1699 | last_char = wname[name_len - 1]; |
1fac938e | 1700 | |
3b18b370 | 1701 | while (name_len > 1 && (last_char == _T('\\') || last_char == _T('/'))) |
1fac938e | 1702 | { |
3b18b370 | 1703 | wname[name_len - 1] = _T('\0'); |
1fac938e | 1704 | name_len--; |
3b18b370 | 1705 | last_char = wname[name_len - 1]; |
1fac938e | 1706 | } |
1707 | ||
8234fccd | 1708 | /* Count back-slashes. */ |
1709 | ||
1710 | for (k=0; k<name_len; k++) | |
1711 | if (wname[k] == _T('\\') || wname[k] == _T('/')) | |
1712 | dirsep_count++; | |
1713 | ||
3b18b370 | 1714 | /* Only a drive letter followed by ':', we must add a directory separator |
1715 | for the stat routine to work properly. */ | |
8234fccd | 1716 | if ((name_len == 2 && wname[1] == _T(':')) |
1717 | || (name_len > 3 && wname[0] == _T('\\') && wname[1] == _T('\\') | |
1718 | && dirsep_count == 3)) | |
3b18b370 | 1719 | _tcscat (wname, _T("\\")); |
1fac938e | 1720 | |
2726b813 | 1721 | return _tstat (wname, (struct _stat *)statbuf); |
1fac938e | 1722 | |
1723 | #else | |
8cb516d7 | 1724 | return GNAT_STAT (name, statbuf); |
1fac938e | 1725 | #endif |
1726 | } | |
1727 | ||
5f93bcbf | 1728 | /************************************************************************* |
1729 | ** Check whether a file exists | |
1730 | *************************************************************************/ | |
1731 | ||
1fac938e | 1732 | int |
5f93bcbf | 1733 | __gnat_file_exists_attr (char* name, struct file_attributes* attr) |
1fac938e | 1734 | { |
bce992c9 | 1735 | if (attr->exists == ATTR_UNSET) { |
8e726ab4 | 1736 | #ifdef __MINGW32__ |
5f93bcbf | 1737 | /* On Windows do not use __gnat_stat() because of a bug in Microsoft |
1738 | _stat() routine. When the system time-zone is set with a negative | |
1739 | offset the _stat() routine fails on specific files like CON: */ | |
1740 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; | |
1741 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); | |
1742 | attr->exists = GetFileAttributes (wname) != INVALID_FILE_ATTRIBUTES; | |
1aa4b9ce | 1743 | #else |
5f93bcbf | 1744 | __gnat_stat_to_attr (-1, name, attr); |
1aa4b9ce | 1745 | #endif |
5f93bcbf | 1746 | } |
1747 | ||
1748 | return attr->exists; | |
1fac938e | 1749 | } |
1750 | ||
5f93bcbf | 1751 | int |
1752 | __gnat_file_exists (char *name) | |
1753 | { | |
1754 | struct file_attributes attr; | |
d2697a05 | 1755 | __gnat_reset_attributes (&attr); |
5f93bcbf | 1756 | return __gnat_file_exists_attr (name, &attr); |
1757 | } | |
1758 | ||
1759 | /********************************************************************** | |
1760 | ** Whether name is an absolute path | |
1761 | **********************************************************************/ | |
1762 | ||
9dfe12ae | 1763 | int |
4a3f445c | 1764 | __gnat_is_absolute_path (char *name, int length) |
1fac938e | 1765 | { |
8620a406 | 1766 | #ifdef __vxworks |
1767 | /* On VxWorks systems, an absolute path can be represented (depending on | |
1768 | the host platform) as either /dir/file, or device:/dir/file, or | |
1769 | device:drive_letter:/dir/file. */ | |
1770 | ||
1771 | int index; | |
1772 | ||
1773 | if (name[0] == '/') | |
1774 | return 1; | |
1775 | ||
1776 | for (index = 0; index < length; index++) | |
1777 | { | |
1778 | if (name[index] == ':' && | |
1779 | ((name[index + 1] == '/') || | |
1780 | (isalpha (name[index + 1]) && index + 2 <= length && | |
1781 | name[index + 2] == '/'))) | |
1782 | return 1; | |
1783 | ||
1784 | else if (name[index] == '/') | |
1785 | return 0; | |
1786 | } | |
1787 | return 0; | |
1788 | #else | |
4a3f445c | 1789 | return (length != 0) && |
1790 | (*name == '/' || *name == DIR_SEPARATOR | |
30592778 | 1791 | #if defined (WINNT) |
a4f295eb | 1792 | || (length > 1 && ISALPHA (name[0]) && name[1] == ':') |
1fac938e | 1793 | #endif |
69d33a1d | 1794 | ); |
8620a406 | 1795 | #endif |
1fac938e | 1796 | } |
1797 | ||
5f93bcbf | 1798 | int |
1799 | __gnat_is_regular_file_attr (char* name, struct file_attributes* attr) | |
1800 | { | |
bce992c9 | 1801 | if (attr->regular == ATTR_UNSET) { |
5f93bcbf | 1802 | __gnat_stat_to_attr (-1, name, attr); |
1803 | } | |
1804 | ||
1805 | return attr->regular; | |
1806 | } | |
1807 | ||
1fac938e | 1808 | int |
9dfe12ae | 1809 | __gnat_is_regular_file (char *name) |
1fac938e | 1810 | { |
5f93bcbf | 1811 | struct file_attributes attr; |
d2697a05 | 1812 | __gnat_reset_attributes (&attr); |
5f93bcbf | 1813 | return __gnat_is_regular_file_attr (name, &attr); |
1814 | } | |
1815 | ||
1816 | int | |
1817 | __gnat_is_directory_attr (char* name, struct file_attributes* attr) | |
1818 | { | |
bce992c9 | 1819 | if (attr->directory == ATTR_UNSET) { |
5f93bcbf | 1820 | __gnat_stat_to_attr (-1, name, attr); |
1821 | } | |
1fac938e | 1822 | |
5f93bcbf | 1823 | return attr->directory; |
1fac938e | 1824 | } |
1825 | ||
1826 | int | |
9dfe12ae | 1827 | __gnat_is_directory (char *name) |
1fac938e | 1828 | { |
5f93bcbf | 1829 | struct file_attributes attr; |
d2697a05 | 1830 | __gnat_reset_attributes (&attr); |
5f93bcbf | 1831 | return __gnat_is_directory_attr (name, &attr); |
1fac938e | 1832 | } |
1833 | ||
7db1ef17 | 1834 | #if defined (_WIN32) && !defined (RTX) |
57ecb969 | 1835 | |
1836 | /* Returns the same constant as GetDriveType but takes a pathname as | |
1837 | argument. */ | |
1838 | ||
1839 | static UINT | |
1840 | GetDriveTypeFromPath (TCHAR *wfullpath) | |
1841 | { | |
1842 | TCHAR wdrv[MAX_PATH]; | |
1843 | TCHAR wpath[MAX_PATH]; | |
1844 | TCHAR wfilename[MAX_PATH]; | |
1845 | TCHAR wext[MAX_PATH]; | |
1846 | ||
1847 | _tsplitpath (wfullpath, wdrv, wpath, wfilename, wext); | |
1848 | ||
1849 | if (_tcslen (wdrv) != 0) | |
1850 | { | |
1851 | /* we have a drive specified. */ | |
1852 | _tcscat (wdrv, _T("\\")); | |
1853 | return GetDriveType (wdrv); | |
1854 | } | |
1855 | else | |
1856 | { | |
1857 | /* No drive specified. */ | |
1858 | ||
1859 | /* Is this a relative path, if so get current drive type. */ | |
1860 | if (wpath[0] != _T('\\') || | |
69d33a1d | 1861 | (_tcslen (wpath) > 2 && wpath[0] == _T('\\') && wpath[1] != _T('\\'))) |
1862 | return GetDriveType (NULL); | |
57ecb969 | 1863 | |
1864 | UINT result = GetDriveType (wpath); | |
1865 | ||
1866 | /* Cannot guess the drive type, is this \\.\ ? */ | |
1867 | ||
1868 | if (result == DRIVE_NO_ROOT_DIR && | |
69d33a1d | 1869 | _tcslen (wpath) >= 4 && wpath[0] == _T('\\') && wpath[1] == _T('\\') |
1870 | && wpath[2] == _T('.') && wpath[3] == _T('\\')) | |
1871 | { | |
1872 | if (_tcslen (wpath) == 4) | |
1873 | _tcscat (wpath, wfilename); | |
57ecb969 | 1874 | |
69d33a1d | 1875 | LPTSTR p = &wpath[4]; |
1876 | LPTSTR b = _tcschr (p, _T('\\')); | |
57ecb969 | 1877 | |
69d33a1d | 1878 | if (b != NULL) |
1879 | { /* logical drive \\.\c\dir\file */ | |
1880 | *b++ = _T(':'); | |
1881 | *b++ = _T('\\'); | |
1882 | *b = _T('\0'); | |
1883 | } | |
1884 | else | |
1885 | _tcscat (p, _T(":\\")); | |
57ecb969 | 1886 | |
69d33a1d | 1887 | return GetDriveType (p); |
1888 | } | |
57ecb969 | 1889 | |
1890 | return result; | |
1891 | } | |
1892 | } | |
1893 | ||
7db1ef17 | 1894 | /* This MingW section contains code to work with ACL. */ |
1895 | static int | |
1896 | __gnat_check_OWNER_ACL | |
3855c659 | 1897 | (TCHAR *wname, |
7db1ef17 | 1898 | DWORD CheckAccessDesired, |
1899 | GENERIC_MAPPING CheckGenericMapping) | |
1900 | { | |
7db1ef17 | 1901 | DWORD dwAccessDesired, dwAccessAllowed; |
1902 | PRIVILEGE_SET PrivilegeSet; | |
1903 | DWORD dwPrivSetSize = sizeof (PRIVILEGE_SET); | |
1904 | BOOL fAccessGranted = FALSE; | |
f060ec3a | 1905 | HANDLE hToken = NULL; |
1906 | DWORD nLength = 0; | |
7db1ef17 | 1907 | SECURITY_DESCRIPTOR* pSD = NULL; |
1908 | ||
7db1ef17 | 1909 | GetFileSecurity |
1910 | (wname, OWNER_SECURITY_INFORMATION | | |
1911 | GROUP_SECURITY_INFORMATION | DACL_SECURITY_INFORMATION, | |
1912 | NULL, 0, &nLength); | |
1913 | ||
1914 | if ((pSD = (PSECURITY_DESCRIPTOR) HeapAlloc | |
1915 | (GetProcessHeap (), HEAP_ZERO_MEMORY, nLength)) == NULL) | |
1916 | return 0; | |
1917 | ||
1918 | /* Obtain the security descriptor. */ | |
1919 | ||
1920 | if (!GetFileSecurity | |
1921 | (wname, OWNER_SECURITY_INFORMATION | | |
1922 | GROUP_SECURITY_INFORMATION | DACL_SECURITY_INFORMATION, | |
1923 | pSD, nLength, &nLength)) | |
f060ec3a | 1924 | goto error; |
7db1ef17 | 1925 | |
1926 | if (!ImpersonateSelf (SecurityImpersonation)) | |
f060ec3a | 1927 | goto error; |
7db1ef17 | 1928 | |
1929 | if (!OpenThreadToken | |
1930 | (GetCurrentThread(), TOKEN_DUPLICATE | TOKEN_QUERY, FALSE, &hToken)) | |
f060ec3a | 1931 | goto error; |
7db1ef17 | 1932 | |
1933 | /* Undoes the effect of ImpersonateSelf. */ | |
1934 | ||
1935 | RevertToSelf (); | |
1936 | ||
1937 | /* We want to test for write permissions. */ | |
1938 | ||
1939 | dwAccessDesired = CheckAccessDesired; | |
1940 | ||
1941 | MapGenericMask (&dwAccessDesired, &CheckGenericMapping); | |
1942 | ||
1943 | if (!AccessCheck | |
1944 | (pSD , /* security descriptor to check */ | |
1945 | hToken, /* impersonation token */ | |
1946 | dwAccessDesired, /* requested access rights */ | |
1947 | &CheckGenericMapping, /* pointer to GENERIC_MAPPING */ | |
1948 | &PrivilegeSet, /* receives privileges used in check */ | |
1949 | &dwPrivSetSize, /* size of PrivilegeSet buffer */ | |
1950 | &dwAccessAllowed, /* receives mask of allowed access rights */ | |
1951 | &fAccessGranted)) | |
f060ec3a | 1952 | goto error; |
7db1ef17 | 1953 | |
f060ec3a | 1954 | CloseHandle (hToken); |
1955 | HeapFree (GetProcessHeap (), 0, pSD); | |
7db1ef17 | 1956 | return fAccessGranted; |
f060ec3a | 1957 | |
1958 | error: | |
1959 | if (hToken) | |
1960 | CloseHandle (hToken); | |
1961 | HeapFree (GetProcessHeap (), 0, pSD); | |
1962 | return 0; | |
7db1ef17 | 1963 | } |
1964 | ||
1965 | static void | |
1966 | __gnat_set_OWNER_ACL | |
3855c659 | 1967 | (TCHAR *wname, |
7db1ef17 | 1968 | DWORD AccessMode, |
1969 | DWORD AccessPermissions) | |
1970 | { | |
4c4697b8 | 1971 | PACL pOldDACL = NULL; |
1972 | PACL pNewDACL = NULL; | |
1973 | PSECURITY_DESCRIPTOR pSD = NULL; | |
7db1ef17 | 1974 | EXPLICIT_ACCESS ea; |
1975 | TCHAR username [100]; | |
1976 | DWORD unsize = 100; | |
1977 | ||
7db1ef17 | 1978 | /* Get current user, he will act as the owner */ |
1979 | ||
1980 | if (!GetUserName (username, &unsize)) | |
1981 | return; | |
1982 | ||
0b3929a6 | 1983 | if (GetNamedSecurityInfo |
1984 | (wname, | |
7db1ef17 | 1985 | SE_FILE_OBJECT, |
1986 | DACL_SECURITY_INFORMATION, | |
1987 | NULL, NULL, &pOldDACL, NULL, &pSD) != ERROR_SUCCESS) | |
1988 | return; | |
1989 | ||
0b3929a6 | 1990 | BuildExplicitAccessWithName |
1991 | (&ea, username, AccessPermissions, AccessMode, NO_INHERITANCE); | |
7db1ef17 | 1992 | |
1993 | if (AccessMode == SET_ACCESS) | |
1994 | { | |
1995 | /* SET_ACCESS, we want to set an explicte set of permissions, do not | |
69d33a1d | 1996 | merge with current DACL. */ |
7db1ef17 | 1997 | if (SetEntriesInAcl (1, &ea, NULL, &pNewDACL) != ERROR_SUCCESS) |
69d33a1d | 1998 | return; |
7db1ef17 | 1999 | } |
2000 | else | |
2001 | if (SetEntriesInAcl (1, &ea, pOldDACL, &pNewDACL) != ERROR_SUCCESS) | |
2002 | return; | |
2003 | ||
0b3929a6 | 2004 | if (SetNamedSecurityInfo |
2005 | (wname, SE_FILE_OBJECT, | |
7db1ef17 | 2006 | DACL_SECURITY_INFORMATION, NULL, NULL, pNewDACL, NULL) != ERROR_SUCCESS) |
2007 | return; | |
2008 | ||
2009 | LocalFree (pSD); | |
2010 | LocalFree (pNewDACL); | |
7db1ef17 | 2011 | } |
57ecb969 | 2012 | |
2013 | /* Check if it is possible to use ACL for wname, the file must not be on a | |
2014 | network drive. */ | |
2015 | ||
2016 | static int | |
2017 | __gnat_can_use_acl (TCHAR *wname) | |
2018 | { | |
2019 | return __gnat_use_acl && GetDriveTypeFromPath (wname) != DRIVE_REMOTE; | |
2020 | } | |
2021 | ||
7db1ef17 | 2022 | #endif /* defined (_WIN32) && !defined (RTX) */ |
2023 | ||
1fac938e | 2024 | int |
5f93bcbf | 2025 | __gnat_is_readable_file_attr (char* name, struct file_attributes* attr) |
9dfe12ae | 2026 | { |
bce992c9 | 2027 | if (attr->readable == ATTR_UNSET) { |
7db1ef17 | 2028 | #if defined (_WIN32) && !defined (RTX) |
5f93bcbf | 2029 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
2030 | GENERIC_MAPPING GenericMapping; | |
3855c659 | 2031 | |
5f93bcbf | 2032 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); |
7db1ef17 | 2033 | |
5f93bcbf | 2034 | if (__gnat_can_use_acl (wname)) |
2035 | { | |
2036 | ZeroMemory (&GenericMapping, sizeof (GENERIC_MAPPING)); | |
2037 | GenericMapping.GenericRead = GENERIC_READ; | |
2038 | attr->readable = __gnat_check_OWNER_ACL (wname, FILE_READ_DATA, GenericMapping); | |
2039 | } | |
2040 | else | |
2041 | attr->readable = GetFileAttributes (wname) != INVALID_FILE_ATTRIBUTES; | |
7db1ef17 | 2042 | #else |
5f93bcbf | 2043 | __gnat_stat_to_attr (-1, name, attr); |
7db1ef17 | 2044 | #endif |
5f93bcbf | 2045 | } |
2046 | ||
2047 | return attr->readable; | |
9dfe12ae | 2048 | } |
2049 | ||
2050 | int | |
5f93bcbf | 2051 | __gnat_is_readable_file (char *name) |
2052 | { | |
2053 | struct file_attributes attr; | |
d2697a05 | 2054 | __gnat_reset_attributes (&attr); |
5f93bcbf | 2055 | return __gnat_is_readable_file_attr (name, &attr); |
2056 | } | |
2057 | ||
2058 | int | |
2059 | __gnat_is_writable_file_attr (char* name, struct file_attributes* attr) | |
1fac938e | 2060 | { |
bce992c9 | 2061 | if (attr->writable == ATTR_UNSET) { |
7db1ef17 | 2062 | #if defined (_WIN32) && !defined (RTX) |
5f93bcbf | 2063 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
2064 | GENERIC_MAPPING GenericMapping; | |
3855c659 | 2065 | |
5f93bcbf | 2066 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); |
3855c659 | 2067 | |
5f93bcbf | 2068 | if (__gnat_can_use_acl (wname)) |
2069 | { | |
2070 | ZeroMemory (&GenericMapping, sizeof (GENERIC_MAPPING)); | |
2071 | GenericMapping.GenericWrite = GENERIC_WRITE; | |
2726b813 | 2072 | |
5f93bcbf | 2073 | attr->writable = __gnat_check_OWNER_ACL |
2074 | (wname, FILE_WRITE_DATA | FILE_APPEND_DATA, GenericMapping) | |
2075 | && !(GetFileAttributes (wname) & FILE_ATTRIBUTE_READONLY); | |
2076 | } | |
2077 | else | |
2078 | attr->writable = !(GetFileAttributes (wname) & FILE_ATTRIBUTE_READONLY); | |
7db1ef17 | 2079 | |
7db1ef17 | 2080 | #else |
5f93bcbf | 2081 | __gnat_stat_to_attr (-1, name, attr); |
7db1ef17 | 2082 | #endif |
5f93bcbf | 2083 | } |
2084 | ||
2085 | return attr->writable; | |
7db1ef17 | 2086 | } |
2087 | ||
2088 | int | |
5f93bcbf | 2089 | __gnat_is_writable_file (char *name) |
7db1ef17 | 2090 | { |
5f93bcbf | 2091 | struct file_attributes attr; |
d2697a05 | 2092 | __gnat_reset_attributes (&attr); |
5f93bcbf | 2093 | return __gnat_is_writable_file_attr (name, &attr); |
2094 | } | |
2095 | ||
2096 | int | |
2097 | __gnat_is_executable_file_attr (char* name, struct file_attributes* attr) | |
2098 | { | |
bce992c9 | 2099 | if (attr->executable == ATTR_UNSET) { |
7db1ef17 | 2100 | #if defined (_WIN32) && !defined (RTX) |
5f93bcbf | 2101 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
2102 | GENERIC_MAPPING GenericMapping; | |
3855c659 | 2103 | |
5f93bcbf | 2104 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); |
3855c659 | 2105 | |
5f93bcbf | 2106 | if (__gnat_can_use_acl (wname)) |
2107 | { | |
2108 | ZeroMemory (&GenericMapping, sizeof (GENERIC_MAPPING)); | |
2109 | GenericMapping.GenericExecute = GENERIC_EXECUTE; | |
2726b813 | 2110 | |
5f93bcbf | 2111 | attr->executable = __gnat_check_OWNER_ACL (wname, FILE_EXECUTE, GenericMapping); |
2112 | } | |
2113 | else | |
2114 | attr->executable = GetFileAttributes (wname) != INVALID_FILE_ATTRIBUTES | |
2115 | && _tcsstr (wname, _T(".exe")) - wname == (int) (_tcslen (wname) - 4); | |
7db1ef17 | 2116 | #else |
5f93bcbf | 2117 | __gnat_stat_to_attr (-1, name, attr); |
7db1ef17 | 2118 | #endif |
5f93bcbf | 2119 | } |
2120 | ||
2121 | return attr->executable; | |
2122 | } | |
2123 | ||
2124 | int | |
2125 | __gnat_is_executable_file (char *name) | |
2126 | { | |
2127 | struct file_attributes attr; | |
d2697a05 | 2128 | __gnat_reset_attributes (&attr); |
5f93bcbf | 2129 | return __gnat_is_executable_file_attr (name, &attr); |
1fac938e | 2130 | } |
2131 | ||
9dfe12ae | 2132 | void |
2133 | __gnat_set_writable (char *name) | |
2134 | { | |
7db1ef17 | 2135 | #if defined (_WIN32) && !defined (RTX) |
3855c659 | 2136 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
2137 | ||
f60cc57d | 2138 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); |
3855c659 | 2139 | |
57ecb969 | 2140 | if (__gnat_can_use_acl (wname)) |
2726b813 | 2141 | __gnat_set_OWNER_ACL (wname, GRANT_ACCESS, FILE_GENERIC_WRITE); |
2142 | ||
3855c659 | 2143 | SetFileAttributes |
2144 | (wname, GetFileAttributes (wname) & ~FILE_ATTRIBUTE_READONLY); | |
7db1ef17 | 2145 | #elif ! defined (__vxworks) && ! defined(__nucleus__) |
8cb516d7 | 2146 | GNAT_STRUCT_STAT statbuf; |
9dfe12ae | 2147 | |
8cb516d7 | 2148 | if (GNAT_STAT (name, &statbuf) == 0) |
0e9e8338 | 2149 | { |
2150 | statbuf.st_mode = statbuf.st_mode | S_IWUSR; | |
2151 | chmod (name, statbuf.st_mode); | |
2152 | } | |
9dfe12ae | 2153 | #endif |
2154 | } | |
2155 | ||
5329ca64 | 2156 | void |
2157 | __gnat_set_executable (char *name) | |
2158 | { | |
7db1ef17 | 2159 | #if defined (_WIN32) && !defined (RTX) |
3855c659 | 2160 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
2161 | ||
57ecb969 | 2162 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); |
2163 | ||
2164 | if (__gnat_can_use_acl (wname)) | |
2165 | __gnat_set_OWNER_ACL (wname, GRANT_ACCESS, FILE_GENERIC_EXECUTE); | |
3855c659 | 2166 | |
7db1ef17 | 2167 | #elif ! defined (__vxworks) && ! defined(__nucleus__) |
8cb516d7 | 2168 | GNAT_STRUCT_STAT statbuf; |
5329ca64 | 2169 | |
8cb516d7 | 2170 | if (GNAT_STAT (name, &statbuf) == 0) |
0e9e8338 | 2171 | { |
2172 | statbuf.st_mode = statbuf.st_mode | S_IXUSR; | |
2173 | chmod (name, statbuf.st_mode); | |
2174 | } | |
5329ca64 | 2175 | #endif |
2176 | } | |
2177 | ||
9dfe12ae | 2178 | void |
2ab009c7 | 2179 | __gnat_set_non_writable (char *name) |
9dfe12ae | 2180 | { |
7db1ef17 | 2181 | #if defined (_WIN32) && !defined (RTX) |
3855c659 | 2182 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; |
2183 | ||
f60cc57d | 2184 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); |
3855c659 | 2185 | |
57ecb969 | 2186 | if (__gnat_can_use_acl (wname)) |
2726b813 | 2187 | __gnat_set_OWNER_ACL |
2188 | (wname, DENY_ACCESS, | |
2189 | FILE_WRITE_DATA | FILE_APPEND_DATA | | |
2190 | FILE_WRITE_EA | FILE_WRITE_ATTRIBUTES); | |
2191 | ||
3855c659 | 2192 | SetFileAttributes |
2193 | (wname, GetFileAttributes (wname) | FILE_ATTRIBUTE_READONLY); | |
7db1ef17 | 2194 | #elif ! defined (__vxworks) && ! defined(__nucleus__) |
8cb516d7 | 2195 | GNAT_STRUCT_STAT statbuf; |
9dfe12ae | 2196 | |
8cb516d7 | 2197 | if (GNAT_STAT (name, &statbuf) == 0) |
0b3929a6 | 2198 | { |
2199 | statbuf.st_mode = statbuf.st_mode & 07577; | |
2200 | chmod (name, statbuf.st_mode); | |
2201 | } | |
2202 | #endif | |
2203 | } | |
2204 | ||
2205 | void | |
2206 | __gnat_set_readable (char *name) | |
2207 | { | |
2208 | #if defined (_WIN32) && !defined (RTX) | |
2209 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; | |
2210 | ||
57ecb969 | 2211 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); |
2212 | ||
2213 | if (__gnat_can_use_acl (wname)) | |
2214 | __gnat_set_OWNER_ACL (wname, GRANT_ACCESS, FILE_GENERIC_READ); | |
0b3929a6 | 2215 | |
e31ad175 | 2216 | #elif ! defined (__vxworks) && ! defined(__nucleus__) |
8cb516d7 | 2217 | GNAT_STRUCT_STAT statbuf; |
0b3929a6 | 2218 | |
8cb516d7 | 2219 | if (GNAT_STAT (name, &statbuf) == 0) |
0b3929a6 | 2220 | { |
2221 | chmod (name, statbuf.st_mode | S_IREAD); | |
2222 | } | |
2223 | #endif | |
2224 | } | |
2225 | ||
2226 | void | |
2227 | __gnat_set_non_readable (char *name) | |
2228 | { | |
2229 | #if defined (_WIN32) && !defined (RTX) | |
2230 | TCHAR wname [GNAT_MAX_PATH_LEN + 2]; | |
2231 | ||
57ecb969 | 2232 | S2WSC (wname, name, GNAT_MAX_PATH_LEN + 2); |
2233 | ||
2234 | if (__gnat_can_use_acl (wname)) | |
2235 | __gnat_set_OWNER_ACL (wname, DENY_ACCESS, FILE_GENERIC_READ); | |
0b3929a6 | 2236 | |
e31ad175 | 2237 | #elif ! defined (__vxworks) && ! defined(__nucleus__) |
8cb516d7 | 2238 | GNAT_STRUCT_STAT statbuf; |
0b3929a6 | 2239 | |
8cb516d7 | 2240 | if (GNAT_STAT (name, &statbuf) == 0) |
0b3929a6 | 2241 | { |
2242 | chmod (name, statbuf.st_mode & (~S_IREAD)); | |
2243 | } | |
9dfe12ae | 2244 | #endif |
2245 | } | |
2246 | ||
2247 | int | |
5f93bcbf | 2248 | __gnat_is_symbolic_link_attr (char* name, struct file_attributes* attr) |
9dfe12ae | 2249 | { |
bce992c9 | 2250 | if (attr->symbolic_link == ATTR_UNSET) { |
5091bc2f | 2251 | #if defined (__vxworks) || defined (__nucleus__) |
5f93bcbf | 2252 | attr->symbolic_link = 0; |
9dfe12ae | 2253 | |
8e761191 | 2254 | #elif defined (_AIX) || defined (__APPLE__) || defined (__unix__) |
5f93bcbf | 2255 | int ret; |
2256 | GNAT_STRUCT_STAT statbuf; | |
2257 | ret = GNAT_LSTAT (name, &statbuf); | |
2258 | attr->symbolic_link = (!ret && S_ISLNK (statbuf.st_mode)); | |
9dfe12ae | 2259 | #else |
5f93bcbf | 2260 | attr->symbolic_link = 0; |
9dfe12ae | 2261 | #endif |
5f93bcbf | 2262 | } |
2263 | return attr->symbolic_link; | |
2264 | } | |
2265 | ||
2266 | int | |
2267 | __gnat_is_symbolic_link (char *name ATTRIBUTE_UNUSED) | |
2268 | { | |
2269 | struct file_attributes attr; | |
d2697a05 | 2270 | __gnat_reset_attributes (&attr); |
5f93bcbf | 2271 | return __gnat_is_symbolic_link_attr (name, &attr); |
2272 | ||
9dfe12ae | 2273 | } |
2274 | ||
1fac938e | 2275 | #if defined (sun) && defined (__SVR4) |
2276 | /* Using fork on Solaris will duplicate all the threads. fork1, which | |
2277 | duplicates only the active thread, must be used instead, or spawning | |
2278 | subprocess from a program with tasking will lead into numerous problems. */ | |
2279 | #define fork fork1 | |
2280 | #endif | |
2281 | ||
2282 | int | |
9dfe12ae | 2283 | __gnat_portable_spawn (char *args[]) |
1fac938e | 2284 | { |
2285 | int status = 0; | |
f0a28ccb | 2286 | int finished ATTRIBUTE_UNUSED; |
2287 | int pid ATTRIBUTE_UNUSED; | |
1fac938e | 2288 | |
e2a33c18 | 2289 | #if defined (__vxworks) || defined(__nucleus__) || defined(RTX) |
2290 | return -1; | |
2291 | ||
30592778 | 2292 | #elif defined (_WIN32) |
f270dc82 | 2293 | /* args[0] must be quotes as it could contain a full pathname with spaces */ |
38750fcd | 2294 | char *args_0 = args[0]; |
f270dc82 | 2295 | args[0] = (char *)xmalloc (strlen (args_0) + 3); |
2296 | strcpy (args[0], "\""); | |
2297 | strcat (args[0], args_0); | |
2298 | strcat (args[0], "\""); | |
2299 | ||
0b9eca83 | 2300 | status = spawnvp (P_WAIT, args_0, (const char* const*)args); |
f270dc82 | 2301 | |
2302 | /* restore previous value */ | |
2303 | free (args[0]); | |
8e761191 | 2304 | args[0] = (char *)args_0; |
f270dc82 | 2305 | |
1fac938e | 2306 | if (status < 0) |
f15731c4 | 2307 | return -1; |
1fac938e | 2308 | else |
2309 | return status; | |
2310 | ||
1fac938e | 2311 | #else |
2312 | ||
1fac938e | 2313 | pid = fork (); |
f15731c4 | 2314 | if (pid < 0) |
2315 | return -1; | |
1fac938e | 2316 | |
f15731c4 | 2317 | if (pid == 0) |
2318 | { | |
2319 | /* The child. */ | |
6d9c3443 | 2320 | if (execv (args[0], MAYBE_TO_PTR32 (args)) != 0) |
f15731c4 | 2321 | #if defined (VMS) |
69d33a1d | 2322 | return -1; /* execv is in parent context on VMS. */ |
f15731c4 | 2323 | #else |
69d33a1d | 2324 | _exit (1); |
f15731c4 | 2325 | #endif |
2326 | } | |
1fac938e | 2327 | |
f15731c4 | 2328 | /* The parent. */ |
1fac938e | 2329 | finished = waitpid (pid, &status, 0); |
2330 | ||
2331 | if (finished != pid || WIFEXITED (status) == 0) | |
f15731c4 | 2332 | return -1; |
1fac938e | 2333 | |
2334 | return WEXITSTATUS (status); | |
2335 | #endif | |
f15731c4 | 2336 | |
1fac938e | 2337 | return 0; |
2338 | } | |
2339 | ||
8e761191 | 2340 | /* Create a copy of the given file descriptor. |
2341 | Return -1 if an error occurred. */ | |
2342 | ||
2343 | int | |
2344 | __gnat_dup (int oldfd) | |
2345 | { | |
8ffbc401 | 2346 | #if defined (__vxworks) && !defined (__RTP__) |
2347 | /* Not supported on VxWorks 5.x, but supported on VxWorks 6.0 when using | |
2348 | RTPs. */ | |
2349 | return -1; | |
8e761191 | 2350 | #else |
8ffbc401 | 2351 | return dup (oldfd); |
8e761191 | 2352 | #endif |
2353 | } | |
2354 | ||
2355 | /* Make newfd be the copy of oldfd, closing newfd first if necessary. | |
5e947a95 | 2356 | Return -1 if an error occurred. */ |
8e761191 | 2357 | |
2358 | int | |
2359 | __gnat_dup2 (int oldfd, int newfd) | |
2360 | { | |
8ffbc401 | 2361 | #if defined (__vxworks) && !defined (__RTP__) |
2362 | /* Not supported on VxWorks 5.x, but supported on VxWorks 6.0 when using | |
2363 | RTPs. */ | |
8e761191 | 2364 | return -1; |
2365 | #else | |
2366 | return dup2 (oldfd, newfd); | |
2367 | #endif | |
2368 | } | |
2369 | ||
ed8e5b83 | 2370 | int |
2371 | __gnat_number_of_cpus (void) | |
2372 | { | |
2373 | int cores = 1; | |
2374 | ||
f7479d84 | 2375 | #if defined (linux) || defined (sun) || defined (AIX) \ |
2376 | || (defined (__alpha__) && defined (_osf_)) || defined (__APPLE__) | |
2377 | cores = (int) sysconf (_SC_NPROCESSORS_ONLN); | |
90bc406c | 2378 | |
2379 | #elif (defined (__mips) && defined (__sgi)) | |
f7479d84 | 2380 | cores = (int) sysconf (_SC_NPROC_ONLN); |
90bc406c | 2381 | |
2382 | #elif defined (__hpux__) | |
f7479d84 | 2383 | struct pst_dynamic psd; |
2384 | if (pstat_getdynamic (&psd, sizeof (psd), 1, 0) != -1) | |
2385 | cores = (int) psd.psd_proc_cnt; | |
90bc406c | 2386 | |
ee0d6223 | 2387 | #elif defined (_WIN32) |
2388 | SYSTEM_INFO sysinfo; | |
2389 | GetSystemInfo (&sysinfo); | |
2390 | cores = (int) sysinfo.dwNumberOfProcessors; | |
ed8e5b83 | 2391 | #endif |
2392 | ||
2393 | return cores; | |
2394 | } | |
2395 | ||
f15731c4 | 2396 | /* WIN32 code to implement a wait call that wait for any child process. */ |
2397 | ||
e2a33c18 | 2398 | #if defined (_WIN32) && !defined (RTX) |
1fac938e | 2399 | |
2400 | /* Synchronization code, to be thread safe. */ | |
2401 | ||
51fa65dc | 2402 | #ifdef CERT |
1fac938e | 2403 | |
51fa65dc | 2404 | /* For the Cert run times on native Windows we use dummy functions |
2405 | for locking and unlocking tasks since we do not support multiple | |
2406 | threads on this configuration (Cert run time on native Windows). */ | |
1fac938e | 2407 | |
51fa65dc | 2408 | void dummy (void) {} |
1fac938e | 2409 | |
51fa65dc | 2410 | void (*Lock_Task) () = &dummy; |
2411 | void (*Unlock_Task) () = &dummy; | |
2412 | ||
2413 | #else | |
2414 | ||
2415 | #define Lock_Task system__soft_links__lock_task | |
2416 | extern void (*Lock_Task) (void); | |
2417 | ||
2418 | #define Unlock_Task system__soft_links__unlock_task | |
2419 | extern void (*Unlock_Task) (void); | |
2420 | ||
2421 | #endif | |
1fac938e | 2422 | |
4c4697b8 | 2423 | static HANDLE *HANDLES_LIST = NULL; |
2424 | static int *PID_LIST = NULL, plist_length = 0, plist_max_length = 0; | |
1fac938e | 2425 | |
2426 | static void | |
14d22a3f | 2427 | add_handle (HANDLE h, int pid) |
1fac938e | 2428 | { |
1fac938e | 2429 | |
1fac938e | 2430 | /* -------------------- critical section -------------------- */ |
51fa65dc | 2431 | (*Lock_Task) (); |
2432 | ||
4c4697b8 | 2433 | if (plist_length == plist_max_length) |
2434 | { | |
2435 | plist_max_length += 1000; | |
2436 | HANDLES_LIST = | |
2437 | xrealloc (HANDLES_LIST, sizeof (HANDLE) * plist_max_length); | |
2438 | PID_LIST = | |
2439 | xrealloc (PID_LIST, sizeof (int) * plist_max_length); | |
2440 | } | |
2441 | ||
2442 | HANDLES_LIST[plist_length] = h; | |
14d22a3f | 2443 | PID_LIST[plist_length] = pid; |
1fac938e | 2444 | ++plist_length; |
1fac938e | 2445 | |
51fa65dc | 2446 | (*Unlock_Task) (); |
2447 | /* -------------------- critical section -------------------- */ | |
1fac938e | 2448 | } |
2449 | ||
4c4697b8 | 2450 | void |
2451 | __gnat_win32_remove_handle (HANDLE h, int pid) | |
1fac938e | 2452 | { |
4c4697b8 | 2453 | int j; |
1fac938e | 2454 | |
1fac938e | 2455 | /* -------------------- critical section -------------------- */ |
51fa65dc | 2456 | (*Lock_Task) (); |
2457 | ||
4c4697b8 | 2458 | for (j = 0; j < plist_length; j++) |
1fac938e | 2459 | { |
4c4697b8 | 2460 | if ((HANDLES_LIST[j] == h) || (PID_LIST[j] == pid)) |
1fac938e | 2461 | { |
4c4697b8 | 2462 | CloseHandle (h); |
2463 | --plist_length; | |
2464 | HANDLES_LIST[j] = HANDLES_LIST[plist_length]; | |
2465 | PID_LIST[j] = PID_LIST[plist_length]; | |
1fac938e | 2466 | break; |
2467 | } | |
1fac938e | 2468 | } |
2469 | ||
51fa65dc | 2470 | (*Unlock_Task) (); |
2471 | /* -------------------- critical section -------------------- */ | |
1fac938e | 2472 | } |
2473 | ||
14d22a3f | 2474 | static void |
2475 | win32_no_block_spawn (char *command, char *args[], HANDLE *h, int *pid) | |
1fac938e | 2476 | { |
2477 | BOOL result; | |
2478 | STARTUPINFO SI; | |
2479 | PROCESS_INFORMATION PI; | |
2480 | SECURITY_ATTRIBUTES SA; | |
f15731c4 | 2481 | int csize = 1; |
2482 | char *full_command; | |
1fac938e | 2483 | int k; |
2484 | ||
f15731c4 | 2485 | /* compute the total command line length */ |
2486 | k = 0; | |
2487 | while (args[k]) | |
2488 | { | |
2489 | csize += strlen (args[k]) + 1; | |
2490 | k++; | |
2491 | } | |
2492 | ||
2493 | full_command = (char *) xmalloc (csize); | |
2494 | ||
1fac938e | 2495 | /* Startup info. */ |
2496 | SI.cb = sizeof (STARTUPINFO); | |
2497 | SI.lpReserved = NULL; | |
2498 | SI.lpReserved2 = NULL; | |
2499 | SI.lpDesktop = NULL; | |
2500 | SI.cbReserved2 = 0; | |
2501 | SI.lpTitle = NULL; | |
2502 | SI.dwFlags = 0; | |
2503 | SI.wShowWindow = SW_HIDE; | |
2504 | ||
2505 | /* Security attributes. */ | |
2506 | SA.nLength = sizeof (SECURITY_ATTRIBUTES); | |
2507 | SA.bInheritHandle = TRUE; | |
2508 | SA.lpSecurityDescriptor = NULL; | |
2509 | ||
2510 | /* Prepare the command string. */ | |
2511 | strcpy (full_command, command); | |
2512 | strcat (full_command, " "); | |
2513 | ||
2514 | k = 1; | |
2515 | while (args[k]) | |
2516 | { | |
2517 | strcat (full_command, args[k]); | |
2518 | strcat (full_command, " "); | |
2519 | k++; | |
2520 | } | |
2521 | ||
3b18b370 | 2522 | { |
2523 | int wsize = csize * 2; | |
2524 | TCHAR *wcommand = (TCHAR *) xmalloc (wsize); | |
2525 | ||
f60cc57d | 2526 | S2WSC (wcommand, full_command, wsize); |
3b18b370 | 2527 | |
2528 | free (full_command); | |
1fac938e | 2529 | |
3b18b370 | 2530 | result = CreateProcess |
2531 | (NULL, wcommand, &SA, NULL, TRUE, | |
2532 | GetPriorityClass (GetCurrentProcess()), NULL, NULL, &SI, &PI); | |
2533 | ||
2534 | free (wcommand); | |
2535 | } | |
f15731c4 | 2536 | |
1fac938e | 2537 | if (result == TRUE) |
2538 | { | |
1fac938e | 2539 | CloseHandle (PI.hThread); |
14d22a3f | 2540 | *h = PI.hProcess; |
2541 | *pid = PI.dwProcessId; | |
1fac938e | 2542 | } |
2543 | else | |
14d22a3f | 2544 | { |
2545 | *h = NULL; | |
2546 | *pid = 0; | |
2547 | } | |
1fac938e | 2548 | } |
2549 | ||
2550 | static int | |
9dfe12ae | 2551 | win32_wait (int *status) |
1fac938e | 2552 | { |
4c4697b8 | 2553 | DWORD exitcode, pid; |
1fac938e | 2554 | HANDLE *hl; |
2555 | HANDLE h; | |
2556 | DWORD res; | |
2557 | int k; | |
e41b023d | 2558 | int hl_len; |
1fac938e | 2559 | |
2560 | if (plist_length == 0) | |
2561 | { | |
2562 | errno = ECHILD; | |
2563 | return -1; | |
2564 | } | |
2565 | ||
1fac938e | 2566 | k = 0; |
51fa65dc | 2567 | |
2568 | /* -------------------- critical section -------------------- */ | |
2569 | (*Lock_Task) (); | |
1fac938e | 2570 | |
e41b023d | 2571 | hl_len = plist_length; |
2572 | ||
e41b023d | 2573 | hl = (HANDLE *) xmalloc (sizeof (HANDLE) * hl_len); |
2574 | ||
4c4697b8 | 2575 | memmove (hl, HANDLES_LIST, sizeof (HANDLE) * hl_len); |
1fac938e | 2576 | |
51fa65dc | 2577 | (*Unlock_Task) (); |
2578 | /* -------------------- critical section -------------------- */ | |
1fac938e | 2579 | |
e41b023d | 2580 | res = WaitForMultipleObjects (hl_len, hl, FALSE, INFINITE); |
f15731c4 | 2581 | h = hl[res - WAIT_OBJECT_0]; |
1fac938e | 2582 | |
2583 | GetExitCodeProcess (h, &exitcode); | |
14d22a3f | 2584 | pid = PID_LIST [res - WAIT_OBJECT_0]; |
4c4697b8 | 2585 | __gnat_win32_remove_handle (h, -1); |
2586 | ||
2587 | free (hl); | |
1fac938e | 2588 | |
2589 | *status = (int) exitcode; | |
4c4697b8 | 2590 | return (int) pid; |
1fac938e | 2591 | } |
2592 | ||
2593 | #endif | |
2594 | ||
2595 | int | |
9dfe12ae | 2596 | __gnat_portable_no_block_spawn (char *args[]) |
1fac938e | 2597 | { |
1fac938e | 2598 | |
e2a33c18 | 2599 | #if defined (__vxworks) || defined (__nucleus__) || defined (RTX) |
2600 | return -1; | |
2601 | ||
1fac938e | 2602 | #elif defined (_WIN32) |
2603 | ||
4c4697b8 | 2604 | HANDLE h = NULL; |
14d22a3f | 2605 | int pid; |
4c4697b8 | 2606 | |
14d22a3f | 2607 | win32_no_block_spawn (args[0], args, &h, &pid); |
4c4697b8 | 2608 | if (h != NULL) |
5d56d161 | 2609 | { |
14d22a3f | 2610 | add_handle (h, pid); |
2611 | return pid; | |
5d56d161 | 2612 | } |
2613 | else | |
2614 | return -1; | |
1fac938e | 2615 | |
1fac938e | 2616 | #else |
4c4697b8 | 2617 | |
2618 | int pid = fork (); | |
1fac938e | 2619 | |
f15731c4 | 2620 | if (pid == 0) |
2621 | { | |
2622 | /* The child. */ | |
6d9c3443 | 2623 | if (execv (args[0], MAYBE_TO_PTR32 (args)) != 0) |
f15731c4 | 2624 | #if defined (VMS) |
69d33a1d | 2625 | return -1; /* execv is in parent context on VMS. */ |
9dfe12ae | 2626 | #else |
69d33a1d | 2627 | _exit (1); |
f15731c4 | 2628 | #endif |
2629 | } | |
2630 | ||
1fac938e | 2631 | return pid; |
4c4697b8 | 2632 | |
2633 | #endif | |
1fac938e | 2634 | } |
2635 | ||
2636 | int | |
9dfe12ae | 2637 | __gnat_portable_wait (int *process_status) |
1fac938e | 2638 | { |
2639 | int status = 0; | |
2640 | int pid = 0; | |
2641 | ||
e2a33c18 | 2642 | #if defined (__vxworks) || defined (__nucleus__) || defined (RTX) |
30592778 | 2643 | /* Not sure what to do here, so do nothing but return zero. */ |
e2a33c18 | 2644 | |
2645 | #elif defined (_WIN32) | |
1fac938e | 2646 | |
2647 | pid = win32_wait (&status); | |
2648 | ||
1fac938e | 2649 | #else |
2650 | ||
1fac938e | 2651 | pid = waitpid (-1, &status, 0); |
1fac938e | 2652 | status = status & 0xffff; |
2653 | #endif | |
2654 | ||
2655 | *process_status = status; | |
2656 | return pid; | |
2657 | } | |
2658 | ||
2659 | void | |
9dfe12ae | 2660 | __gnat_os_exit (int status) |
1fac938e | 2661 | { |
1fac938e | 2662 | exit (status); |
1fac938e | 2663 | } |
2664 | ||
f15731c4 | 2665 | /* Locate a regular file, give a Path value. */ |
1fac938e | 2666 | |
2667 | char * | |
9dfe12ae | 2668 | __gnat_locate_regular_file (char *file_name, char *path_val) |
1fac938e | 2669 | { |
2670 | char *ptr; | |
5703e222 | 2671 | char *file_path = (char *) alloca (strlen (file_name) + 1); |
c69ba469 | 2672 | int absolute; |
2673 | ||
b51bcb1c | 2674 | /* Return immediately if file_name is empty */ |
2675 | ||
2676 | if (*file_name == '\0') | |
2677 | return 0; | |
2678 | ||
c69ba469 | 2679 | /* Remove quotes around file_name if present */ |
2680 | ||
2681 | ptr = file_name; | |
2682 | if (*ptr == '"') | |
2683 | ptr++; | |
2684 | ||
2685 | strcpy (file_path, ptr); | |
2686 | ||
2687 | ptr = file_path + strlen (file_path) - 1; | |
2688 | ||
2689 | if (*ptr == '"') | |
2690 | *ptr = '\0'; | |
1fac938e | 2691 | |
f15731c4 | 2692 | /* Handle absolute pathnames. */ |
c69ba469 | 2693 | |
2694 | absolute = __gnat_is_absolute_path (file_path, strlen (file_name)); | |
2695 | ||
9dfe12ae | 2696 | if (absolute) |
2697 | { | |
c69ba469 | 2698 | if (__gnat_is_regular_file (file_path)) |
2699 | return xstrdup (file_path); | |
9dfe12ae | 2700 | |
2701 | return 0; | |
2702 | } | |
2703 | ||
2704 | /* If file_name include directory separator(s), try it first as | |
2705 | a path name relative to the current directory */ | |
1fac938e | 2706 | for (ptr = file_name; *ptr && *ptr != '/' && *ptr != DIR_SEPARATOR; ptr++) |
2707 | ; | |
2708 | ||
9dfe12ae | 2709 | if (*ptr != 0) |
1fac938e | 2710 | { |
2711 | if (__gnat_is_regular_file (file_name)) | |
2712 | return xstrdup (file_name); | |
1fac938e | 2713 | } |
2714 | ||
2715 | if (path_val == 0) | |
2716 | return 0; | |
2717 | ||
2718 | { | |
2719 | /* The result has to be smaller than path_val + file_name. */ | |
5703e222 | 2720 | char *file_path = (char *) alloca (strlen (path_val) + strlen (file_name) + 2); |
1fac938e | 2721 | |
2722 | for (;;) | |
2723 | { | |
c69ba469 | 2724 | /* Skip the starting quote */ |
2725 | ||
2726 | if (*path_val == '"') | |
69d33a1d | 2727 | path_val++; |
c69ba469 | 2728 | |
1fac938e | 2729 | for (ptr = file_path; *path_val && *path_val != PATH_SEPARATOR; ) |
69d33a1d | 2730 | *ptr++ = *path_val++; |
1fac938e | 2731 | |
5c182b3b | 2732 | /* If directory is empty, it is the current directory*/ |
2733 | ||
2734 | if (ptr == file_path) | |
2735 | { | |
2736 | *ptr = '.'; | |
2737 | } | |
2738 | else | |
2739 | ptr--; | |
c69ba469 | 2740 | |
2741 | /* Skip the ending quote */ | |
2742 | ||
2743 | if (*ptr == '"') | |
69d33a1d | 2744 | ptr--; |
c69ba469 | 2745 | |
1fac938e | 2746 | if (*ptr != '/' && *ptr != DIR_SEPARATOR) |
2747 | *++ptr = DIR_SEPARATOR; | |
2748 | ||
2749 | strcpy (++ptr, file_name); | |
2750 | ||
2751 | if (__gnat_is_regular_file (file_path)) | |
2752 | return xstrdup (file_path); | |
5c182b3b | 2753 | |
2754 | if (*path_val == 0) | |
2755 | return 0; | |
2756 | ||
2757 | /* Skip path separator */ | |
2758 | ||
2759 | path_val++; | |
1fac938e | 2760 | } |
2761 | } | |
2762 | ||
2763 | return 0; | |
2764 | } | |
2765 | ||
1fac938e | 2766 | /* Locate an executable given a Path argument. This routine is only used by |
2767 | gnatbl and should not be used otherwise. Use locate_exec_on_path | |
f15731c4 | 2768 | instead. */ |
1fac938e | 2769 | |
2770 | char * | |
9dfe12ae | 2771 | __gnat_locate_exec (char *exec_name, char *path_val) |
1fac938e | 2772 | { |
fb31b465 | 2773 | char *ptr; |
1fac938e | 2774 | if (!strstr (exec_name, HOST_EXECUTABLE_SUFFIX)) |
2775 | { | |
2776 | char *full_exec_name | |
5703e222 | 2777 | = (char *) alloca (strlen (exec_name) + strlen (HOST_EXECUTABLE_SUFFIX) + 1); |
1fac938e | 2778 | |
2779 | strcpy (full_exec_name, exec_name); | |
2780 | strcat (full_exec_name, HOST_EXECUTABLE_SUFFIX); | |
fb31b465 | 2781 | ptr = __gnat_locate_regular_file (full_exec_name, path_val); |
2782 | ||
2783 | if (ptr == 0) | |
2784 | return __gnat_locate_regular_file (exec_name, path_val); | |
2785 | return ptr; | |
1fac938e | 2786 | } |
2787 | else | |
2788 | return __gnat_locate_regular_file (exec_name, path_val); | |
2789 | } | |
2790 | ||
f15731c4 | 2791 | /* Locate an executable using the Systems default PATH. */ |
1fac938e | 2792 | |
2793 | char * | |
9dfe12ae | 2794 | __gnat_locate_exec_on_path (char *exec_name) |
1fac938e | 2795 | { |
9dfe12ae | 2796 | char *apath_val; |
3b18b370 | 2797 | |
e2a33c18 | 2798 | #if defined (_WIN32) && !defined (RTX) |
3b18b370 | 2799 | TCHAR *wpath_val = _tgetenv (_T("PATH")); |
2800 | TCHAR *wapath_val; | |
9dfe12ae | 2801 | /* In Win32 systems we expand the PATH as for XP environment |
c69ba469 | 2802 | variables are not automatically expanded. We also prepend the |
2803 | ".;" to the path to match normal NT path search semantics */ | |
9dfe12ae | 2804 | |
c69ba469 | 2805 | #define EXPAND_BUFFER_SIZE 32767 |
9dfe12ae | 2806 | |
3b18b370 | 2807 | wapath_val = alloca (EXPAND_BUFFER_SIZE); |
c69ba469 | 2808 | |
3b18b370 | 2809 | wapath_val [0] = '.'; |
2810 | wapath_val [1] = ';'; | |
1fac938e | 2811 | |
c69ba469 | 2812 | DWORD res = ExpandEnvironmentStrings |
3b18b370 | 2813 | (wpath_val, &wapath_val[2], EXPAND_BUFFER_SIZE - 2); |
2814 | ||
2815 | if (!res) wapath_val [0] = _T('\0'); | |
2816 | ||
2817 | apath_val = alloca (EXPAND_BUFFER_SIZE); | |
2818 | ||
f60cc57d | 2819 | WS2SC (apath_val, wapath_val, EXPAND_BUFFER_SIZE); |
3b18b370 | 2820 | return __gnat_locate_exec (exec_name, apath_val); |
c69ba469 | 2821 | |
c69ba469 | 2822 | #else |
3b18b370 | 2823 | |
2824 | #ifdef VMS | |
2825 | char *path_val = "/VAXC$PATH"; | |
2826 | #else | |
2827 | char *path_val = getenv ("PATH"); | |
2828 | #endif | |
e2c62f37 | 2829 | if (path_val == NULL) return NULL; |
5703e222 | 2830 | apath_val = (char *) alloca (strlen (path_val) + 1); |
1fac938e | 2831 | strcpy (apath_val, path_val); |
2832 | return __gnat_locate_exec (exec_name, apath_val); | |
3b18b370 | 2833 | #endif |
1fac938e | 2834 | } |
2835 | ||
2836 | #ifdef VMS | |
2837 | ||
2838 | /* These functions are used to translate to and from VMS and Unix syntax | |
f15731c4 | 2839 | file, directory and path specifications. */ |
1fac938e | 2840 | |
9dfe12ae | 2841 | #define MAXPATH 256 |
1fac938e | 2842 | #define MAXNAMES 256 |
2843 | #define NEW_CANONICAL_FILELIST_INCREMENT 64 | |
2844 | ||
9dfe12ae | 2845 | static char new_canonical_dirspec [MAXPATH]; |
2846 | static char new_canonical_filespec [MAXPATH]; | |
2847 | static char new_canonical_pathspec [MAXNAMES*MAXPATH]; | |
1fac938e | 2848 | static unsigned new_canonical_filelist_index; |
2849 | static unsigned new_canonical_filelist_in_use; | |
2850 | static unsigned new_canonical_filelist_allocated; | |
2851 | static char **new_canonical_filelist; | |
9dfe12ae | 2852 | static char new_host_pathspec [MAXNAMES*MAXPATH]; |
2853 | static char new_host_dirspec [MAXPATH]; | |
2854 | static char new_host_filespec [MAXPATH]; | |
1fac938e | 2855 | |
2856 | /* Routine is called repeatedly by decc$from_vms via | |
9dfe12ae | 2857 | __gnat_to_canonical_file_list_init until it returns 0 or the expansion |
2858 | runs out. */ | |
1fac938e | 2859 | |
2860 | static int | |
9dfe12ae | 2861 | wildcard_translate_unix (char *name) |
1fac938e | 2862 | { |
2863 | char *ver; | |
9dfe12ae | 2864 | char buff [MAXPATH]; |
1fac938e | 2865 | |
9dfe12ae | 2866 | strncpy (buff, name, MAXPATH); |
2867 | buff [MAXPATH - 1] = (char) 0; | |
1fac938e | 2868 | ver = strrchr (buff, '.'); |
2869 | ||
f15731c4 | 2870 | /* Chop off the version. */ |
1fac938e | 2871 | if (ver) |
2872 | *ver = 0; | |
2873 | ||
f15731c4 | 2874 | /* Dynamically extend the allocation by the increment. */ |
1fac938e | 2875 | if (new_canonical_filelist_in_use == new_canonical_filelist_allocated) |
2876 | { | |
2877 | new_canonical_filelist_allocated += NEW_CANONICAL_FILELIST_INCREMENT; | |
f15731c4 | 2878 | new_canonical_filelist = (char **) xrealloc |
69d33a1d | 2879 | (new_canonical_filelist, |
2880 | new_canonical_filelist_allocated * sizeof (char *)); | |
1fac938e | 2881 | } |
2882 | ||
2883 | new_canonical_filelist[new_canonical_filelist_in_use++] = xstrdup (buff); | |
2884 | ||
2885 | return 1; | |
2886 | } | |
2887 | ||
f15731c4 | 2888 | /* Translate a wildcard VMS file spec into a list of Unix file specs. First do |
2889 | full translation and copy the results into a list (_init), then return them | |
2890 | one at a time (_next). If onlydirs set, only expand directory files. */ | |
1fac938e | 2891 | |
2892 | int | |
9dfe12ae | 2893 | __gnat_to_canonical_file_list_init (char *filespec, int onlydirs) |
1fac938e | 2894 | { |
2895 | int len; | |
9dfe12ae | 2896 | char buff [MAXPATH]; |
1fac938e | 2897 | |
2898 | len = strlen (filespec); | |
9dfe12ae | 2899 | strncpy (buff, filespec, MAXPATH); |
2900 | ||
2901 | /* Only look for directories */ | |
2902 | if (onlydirs && !strstr (&buff [len-5], "*.dir")) | |
2903 | strncat (buff, "*.dir", MAXPATH); | |
1fac938e | 2904 | |
9dfe12ae | 2905 | buff [MAXPATH - 1] = (char) 0; |
1fac938e | 2906 | |
2907 | decc$from_vms (buff, wildcard_translate_unix, 1); | |
2908 | ||
f15731c4 | 2909 | /* Remove the .dir extension. */ |
1fac938e | 2910 | if (onlydirs) |
2911 | { | |
2912 | int i; | |
2913 | char *ext; | |
2914 | ||
2915 | for (i = 0; i < new_canonical_filelist_in_use; i++) | |
69d33a1d | 2916 | { |
2917 | ext = strstr (new_canonical_filelist[i], ".dir"); | |
2918 | if (ext) | |
2919 | *ext = 0; | |
2920 | } | |
1fac938e | 2921 | } |
2922 | ||
2923 | return new_canonical_filelist_in_use; | |
2924 | } | |
2925 | ||
f15731c4 | 2926 | /* Return the next filespec in the list. */ |
1fac938e | 2927 | |
2928 | char * | |
2929 | __gnat_to_canonical_file_list_next () | |
2930 | { | |
f15731c4 | 2931 | return new_canonical_filelist[new_canonical_filelist_index++]; |
1fac938e | 2932 | } |
2933 | ||
f15731c4 | 2934 | /* Free storage used in the wildcard expansion. */ |
1fac938e | 2935 | |
2936 | void | |
2937 | __gnat_to_canonical_file_list_free () | |
2938 | { | |
2939 | int i; | |
2940 | ||
2941 | for (i = 0; i < new_canonical_filelist_in_use; i++) | |
f15731c4 | 2942 | free (new_canonical_filelist[i]); |
1fac938e | 2943 | |
2944 | free (new_canonical_filelist); | |
2945 | ||
2946 | new_canonical_filelist_in_use = 0; | |
2947 | new_canonical_filelist_allocated = 0; | |
2948 | new_canonical_filelist_index = 0; | |
2949 | new_canonical_filelist = 0; | |
2950 | } | |
2951 | ||
b12d3a0b | 2952 | /* The functional equivalent of decc$translate_vms routine. |
2953 | Designed to produce the same output, but is protected against | |
2954 | malformed paths (original version ACCVIOs in this case) and | |
2955 | does not require VMS-specific DECC RTL */ | |
2956 | ||
2957 | #define NAM$C_MAXRSS 1024 | |
2958 | ||
2959 | char * | |
2960 | __gnat_translate_vms (char *src) | |
2961 | { | |
2962 | static char retbuf [NAM$C_MAXRSS+1]; | |
2963 | char *srcendpos, *pos1, *pos2, *retpos; | |
2964 | int disp, path_present = 0; | |
2965 | ||
2966 | if (!src) return NULL; | |
2967 | ||
2968 | srcendpos = strchr (src, '\0'); | |
2969 | retpos = retbuf; | |
2970 | ||
2971 | /* Look for the node and/or device in front of the path */ | |
2972 | pos1 = src; | |
2973 | pos2 = strchr (pos1, ':'); | |
2974 | ||
2975 | if (pos2 && (pos2 < srcendpos) && (*(pos2 + 1) == ':')) { | |
2976 | /* There is a node name. "node_name::" becomes "node_name!" */ | |
2977 | disp = pos2 - pos1; | |
2978 | strncpy (retbuf, pos1, disp); | |
2979 | retpos [disp] = '!'; | |
2980 | retpos = retpos + disp + 1; | |
2981 | pos1 = pos2 + 2; | |
2982 | pos2 = strchr (pos1, ':'); | |
2983 | } | |
2984 | ||
2985 | if (pos2) { | |
2986 | /* There is a device name. "dev_name:" becomes "/dev_name/" */ | |
2987 | *(retpos++) = '/'; | |
2988 | disp = pos2 - pos1; | |
2989 | strncpy (retpos, pos1, disp); | |
2990 | retpos = retpos + disp; | |
2991 | pos1 = pos2 + 1; | |
2992 | *(retpos++) = '/'; | |
2993 | } | |
2994 | else | |
2995 | /* No explicit device; we must look ahead and prepend /sys$disk/ if | |
2996 | the path is absolute */ | |
2997 | if ((*pos1 == '[' || *pos1 == '<') && (pos1 < srcendpos) | |
2998 | && !strchr (".-]>", *(pos1 + 1))) { | |
2999 | strncpy (retpos, "/sys$disk/", 10); | |
3000 | retpos += 10; | |
3001 | } | |
3002 | ||
3003 | /* Process the path part */ | |
3004 | while (*pos1 == '[' || *pos1 == '<') { | |
3005 | path_present++; | |
3006 | pos1++; | |
3007 | if (*pos1 == ']' || *pos1 == '>') { | |
3008 | /* Special case, [] translates to '.' */ | |
3009 | *(retpos++) = '.'; | |
3010 | pos1++; | |
3011 | } | |
3012 | else { | |
3013 | /* '[000000' means root dir. It can be present in the middle of | |
3014 | the path due to expansion of logical devices, in which case | |
3015 | we skip it */ | |
3016 | if (!strncmp (pos1, "000000", 6) && path_present > 1 && | |
3017 | (*(pos1 + 6) == ']' || *(pos1 + 6) == '>' || *(pos1 + 6) == '.')) { | |
3018 | pos1 += 6; | |
3019 | if (*pos1 == '.') pos1++; | |
3020 | } | |
3021 | else if (*pos1 == '.') { | |
3022 | /* Relative path */ | |
3023 | *(retpos++) = '.'; | |
3024 | } | |
3025 | ||
2359306a | 3026 | /* There is a qualified path */ |
3027 | while (*pos1 && *pos1 != ']' && *pos1 != '>') { | |
b12d3a0b | 3028 | switch (*pos1) { |
3029 | case '.': | |
3030 | /* '.' is used to separate directories. Replace it with '/' but | |
3031 | only if there isn't already '/' just before */ | |
3032 | if (*(retpos - 1) != '/') *(retpos++) = '/'; | |
3033 | pos1++; | |
3034 | if (pos1 + 1 < srcendpos && *pos1 == '.' && *(pos1 + 1) == '.') { | |
3035 | /* ellipsis refers to entire subtree; replace with '**' */ | |
3036 | *(retpos++) = '*'; *(retpos++) = '*'; *(retpos++) = '/'; | |
3037 | pos1 += 2; | |
3038 | } | |
3039 | break; | |
3040 | case '-' : | |
2359306a | 3041 | /* When after '.' '[' '<' is equivalent to Unix ".." but there |
3042 | may be several in a row */ | |
3043 | if (*(pos1 - 1) == '.' || *(pos1 - 1) == '[' || | |
3044 | *(pos1 - 1) == '<') { | |
3045 | while (*pos1 == '-') { | |
3046 | pos1++; | |
3047 | *(retpos++) = '.'; *(retpos++) = '.'; *(retpos++) = '/'; | |
3048 | } | |
3049 | retpos--; | |
3050 | break; | |
b12d3a0b | 3051 | } |
2359306a | 3052 | /* otherwise fall through to default */ |
b12d3a0b | 3053 | default: |
3054 | *(retpos++) = *(pos1++); | |
3055 | } | |
3056 | } | |
3057 | pos1++; | |
3058 | } | |
3059 | } | |
3060 | ||
3061 | if (pos1 < srcendpos) { | |
3062 | /* Now add the actual file name, until the version suffix if any */ | |
3063 | if (path_present) *(retpos++) = '/'; | |
3064 | pos2 = strchr (pos1, ';'); | |
3065 | disp = pos2? (pos2 - pos1) : (srcendpos - pos1); | |
3066 | strncpy (retpos, pos1, disp); | |
3067 | retpos += disp; | |
3068 | if (pos2 && pos2 < srcendpos) { | |
3069 | /* There is a non-empty version suffix. ";<ver>" becomes ".<ver>" */ | |
3070 | *retpos++ = '.'; | |
3071 | disp = srcendpos - pos2 - 1; | |
3072 | strncpy (retpos, pos2 + 1, disp); | |
3073 | retpos += disp; | |
3074 | } | |
3075 | } | |
3076 | ||
3077 | *retpos = '\0'; | |
3078 | ||
3079 | return retbuf; | |
3080 | ||
3081 | } | |
3082 | ||
f15731c4 | 3083 | /* Translate a VMS syntax directory specification in to Unix syntax. If |
3084 | PREFIXFLAG is set, append an underscore "/". If no indicators of VMS syntax | |
3085 | found, return input string. Also translate a dirname that contains no | |
3086 | slashes, in case it's a logical name. */ | |
1fac938e | 3087 | |
3088 | char * | |
9dfe12ae | 3089 | __gnat_to_canonical_dir_spec (char *dirspec, int prefixflag) |
1fac938e | 3090 | { |
3091 | int len; | |
3092 | ||
3093 | strcpy (new_canonical_dirspec, ""); | |
3094 | if (strlen (dirspec)) | |
3095 | { | |
3096 | char *dirspec1; | |
3097 | ||
3098 | if (strchr (dirspec, ']') || strchr (dirspec, ':')) | |
69d33a1d | 3099 | { |
3100 | strncpy (new_canonical_dirspec, | |
3101 | __gnat_translate_vms (dirspec), | |
3102 | MAXPATH); | |
3103 | } | |
1fac938e | 3104 | else if (!strchr (dirspec, '/') && (dirspec1 = getenv (dirspec)) != 0) |
69d33a1d | 3105 | { |
3106 | strncpy (new_canonical_dirspec, | |
3107 | __gnat_translate_vms (dirspec1), | |
3108 | MAXPATH); | |
3109 | } | |
1fac938e | 3110 | else |
69d33a1d | 3111 | { |
3112 | strncpy (new_canonical_dirspec, dirspec, MAXPATH); | |
3113 | } | |
1fac938e | 3114 | } |
3115 | ||
3116 | len = strlen (new_canonical_dirspec); | |
9dfe12ae | 3117 | if (prefixflag && new_canonical_dirspec [len-1] != '/') |
3118 | strncat (new_canonical_dirspec, "/", MAXPATH); | |
3119 | ||
3120 | new_canonical_dirspec [MAXPATH - 1] = (char) 0; | |
1fac938e | 3121 | |
3122 | return new_canonical_dirspec; | |
3123 | ||
3124 | } | |
3125 | ||
3126 | /* Translate a VMS syntax file specification into Unix syntax. | |
3cc2671a | 3127 | If no indicators of VMS syntax found, check if it's an uppercase |
23c6b287 | 3128 | alphanumeric_ name and if so try it out as an environment |
3129 | variable (logical name). If all else fails return the | |
3130 | input string. */ | |
1fac938e | 3131 | |
3132 | char * | |
9dfe12ae | 3133 | __gnat_to_canonical_file_spec (char *filespec) |
1fac938e | 3134 | { |
23c6b287 | 3135 | char *filespec1; |
3136 | ||
9dfe12ae | 3137 | strncpy (new_canonical_filespec, "", MAXPATH); |
3138 | ||
1fac938e | 3139 | if (strchr (filespec, ']') || strchr (filespec, ':')) |
9dfe12ae | 3140 | { |
2359306a | 3141 | char *tspec = (char *) __gnat_translate_vms (filespec); |
c69ba469 | 3142 | |
3143 | if (tspec != (char *) -1) | |
69d33a1d | 3144 | strncpy (new_canonical_filespec, tspec, MAXPATH); |
23c6b287 | 3145 | } |
3146 | else if ((strlen (filespec) == strspn (filespec, | |
69d33a1d | 3147 | "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_")) |
3148 | && (filespec1 = getenv (filespec))) | |
23c6b287 | 3149 | { |
2359306a | 3150 | char *tspec = (char *) __gnat_translate_vms (filespec1); |
c69ba469 | 3151 | |
3152 | if (tspec != (char *) -1) | |
69d33a1d | 3153 | strncpy (new_canonical_filespec, tspec, MAXPATH); |
9dfe12ae | 3154 | } |
1fac938e | 3155 | else |
9dfe12ae | 3156 | { |
3157 | strncpy (new_canonical_filespec, filespec, MAXPATH); | |
3158 | } | |
3159 | ||
3160 | new_canonical_filespec [MAXPATH - 1] = (char) 0; | |
1fac938e | 3161 | |
3162 | return new_canonical_filespec; | |
3163 | } | |
3164 | ||
3165 | /* Translate a VMS syntax path specification into Unix syntax. | |
f15731c4 | 3166 | If no indicators of VMS syntax found, return input string. */ |
1fac938e | 3167 | |
3168 | char * | |
9dfe12ae | 3169 | __gnat_to_canonical_path_spec (char *pathspec) |
1fac938e | 3170 | { |
9dfe12ae | 3171 | char *curr, *next, buff [MAXPATH]; |
1fac938e | 3172 | |
3173 | if (pathspec == 0) | |
3174 | return pathspec; | |
3175 | ||
f15731c4 | 3176 | /* If there are /'s, assume it's a Unix path spec and return. */ |
1fac938e | 3177 | if (strchr (pathspec, '/')) |
3178 | return pathspec; | |
3179 | ||
f15731c4 | 3180 | new_canonical_pathspec[0] = 0; |
1fac938e | 3181 | curr = pathspec; |
3182 | ||
3183 | for (;;) | |
3184 | { | |
3185 | next = strchr (curr, ','); | |
3186 | if (next == 0) | |
3187 | next = strchr (curr, 0); | |
3188 | ||
3189 | strncpy (buff, curr, next - curr); | |
f15731c4 | 3190 | buff[next - curr] = 0; |
1fac938e | 3191 | |
f15731c4 | 3192 | /* Check for wildcards and expand if present. */ |
1fac938e | 3193 | if (strchr (buff, '*') || strchr (buff, '%') || strstr (buff, "...")) |
3194 | { | |
3195 | int i, dirs; | |
3196 | ||
3197 | dirs = __gnat_to_canonical_file_list_init (buff, 1); | |
3198 | for (i = 0; i < dirs; i++) | |
3199 | { | |
3200 | char *next_dir; | |
3201 | ||
3202 | next_dir = __gnat_to_canonical_file_list_next (); | |
9dfe12ae | 3203 | strncat (new_canonical_pathspec, next_dir, MAXPATH); |
1fac938e | 3204 | |
f15731c4 | 3205 | /* Don't append the separator after the last expansion. */ |
1fac938e | 3206 | if (i+1 < dirs) |
9dfe12ae | 3207 | strncat (new_canonical_pathspec, ":", MAXPATH); |
1fac938e | 3208 | } |
3209 | ||
69d33a1d | 3210 | __gnat_to_canonical_file_list_free (); |
1fac938e | 3211 | } |
3212 | else | |
69d33a1d | 3213 | strncat (new_canonical_pathspec, |
3214 | __gnat_to_canonical_dir_spec (buff, 0), MAXPATH); | |
1fac938e | 3215 | |
3216 | if (*next == 0) | |
3217 | break; | |
3218 | ||
9dfe12ae | 3219 | strncat (new_canonical_pathspec, ":", MAXPATH); |
1fac938e | 3220 | curr = next + 1; |
3221 | } | |
3222 | ||
9dfe12ae | 3223 | new_canonical_pathspec [MAXPATH - 1] = (char) 0; |
3224 | ||
1fac938e | 3225 | return new_canonical_pathspec; |
3226 | } | |
3227 | ||
9dfe12ae | 3228 | static char filename_buff [MAXPATH]; |
1fac938e | 3229 | |
3230 | static int | |
9dfe12ae | 3231 | translate_unix (char *name, int type) |
1fac938e | 3232 | { |
9dfe12ae | 3233 | strncpy (filename_buff, name, MAXPATH); |
3234 | filename_buff [MAXPATH - 1] = (char) 0; | |
1fac938e | 3235 | return 0; |
3236 | } | |
3237 | ||
f15731c4 | 3238 | /* Translate a Unix syntax path spec into a VMS style (comma separated list of |
3239 | directories. */ | |
1fac938e | 3240 | |
3241 | static char * | |
9dfe12ae | 3242 | to_host_path_spec (char *pathspec) |
1fac938e | 3243 | { |
9dfe12ae | 3244 | char *curr, *next, buff [MAXPATH]; |
1fac938e | 3245 | |
3246 | if (pathspec == 0) | |
3247 | return pathspec; | |
3248 | ||
f15731c4 | 3249 | /* Can't very well test for colons, since that's the Unix separator! */ |
1fac938e | 3250 | if (strchr (pathspec, ']') || strchr (pathspec, ',')) |
3251 | return pathspec; | |
3252 | ||
f15731c4 | 3253 | new_host_pathspec[0] = 0; |
1fac938e | 3254 | curr = pathspec; |
3255 | ||
3256 | for (;;) | |
3257 | { | |
3258 | next = strchr (curr, ':'); | |
3259 | if (next == 0) | |
3260 | next = strchr (curr, 0); | |
3261 | ||
3262 | strncpy (buff, curr, next - curr); | |
f15731c4 | 3263 | buff[next - curr] = 0; |
1fac938e | 3264 | |
9dfe12ae | 3265 | strncat (new_host_pathspec, __gnat_to_host_dir_spec (buff, 0), MAXPATH); |
1fac938e | 3266 | if (*next == 0) |
3267 | break; | |
9dfe12ae | 3268 | strncat (new_host_pathspec, ",", MAXPATH); |
1fac938e | 3269 | curr = next + 1; |
3270 | } | |
3271 | ||
9dfe12ae | 3272 | new_host_pathspec [MAXPATH - 1] = (char) 0; |
3273 | ||
1fac938e | 3274 | return new_host_pathspec; |
3275 | } | |
3276 | ||
f15731c4 | 3277 | /* Translate a Unix syntax directory specification into VMS syntax. The |
3278 | PREFIXFLAG has no effect, but is kept for symmetry with | |
3279 | to_canonical_dir_spec. If indicators of VMS syntax found, return input | |
3280 | string. */ | |
1fac938e | 3281 | |
3282 | char * | |
9dfe12ae | 3283 | __gnat_to_host_dir_spec (char *dirspec, int prefixflag ATTRIBUTE_UNUSED) |
1fac938e | 3284 | { |
3285 | int len = strlen (dirspec); | |
3286 | ||
9dfe12ae | 3287 | strncpy (new_host_dirspec, dirspec, MAXPATH); |
3288 | new_host_dirspec [MAXPATH - 1] = (char) 0; | |
1fac938e | 3289 | |
3290 | if (strchr (new_host_dirspec, ']') || strchr (new_host_dirspec, ':')) | |
3291 | return new_host_dirspec; | |
3292 | ||
f15731c4 | 3293 | while (len > 1 && new_host_dirspec[len - 1] == '/') |
1fac938e | 3294 | { |
f15731c4 | 3295 | new_host_dirspec[len - 1] = 0; |
1fac938e | 3296 | len--; |
3297 | } | |
3298 | ||
3299 | decc$to_vms (new_host_dirspec, translate_unix, 1, 2); | |
9dfe12ae | 3300 | strncpy (new_host_dirspec, filename_buff, MAXPATH); |
3301 | new_host_dirspec [MAXPATH - 1] = (char) 0; | |
1fac938e | 3302 | |
3303 | return new_host_dirspec; | |
1fac938e | 3304 | } |
3305 | ||
3306 | /* Translate a Unix syntax file specification into VMS syntax. | |
f15731c4 | 3307 | If indicators of VMS syntax found, return input string. */ |
1fac938e | 3308 | |
3309 | char * | |
9dfe12ae | 3310 | __gnat_to_host_file_spec (char *filespec) |
1fac938e | 3311 | { |
9dfe12ae | 3312 | strncpy (new_host_filespec, "", MAXPATH); |
1fac938e | 3313 | if (strchr (filespec, ']') || strchr (filespec, ':')) |
9dfe12ae | 3314 | { |
3315 | strncpy (new_host_filespec, filespec, MAXPATH); | |
3316 | } | |
1fac938e | 3317 | else |
3318 | { | |
3319 | decc$to_vms (filespec, translate_unix, 1, 1); | |
9dfe12ae | 3320 | strncpy (new_host_filespec, filename_buff, MAXPATH); |
1fac938e | 3321 | } |
3322 | ||
9dfe12ae | 3323 | new_host_filespec [MAXPATH - 1] = (char) 0; |
3324 | ||
1fac938e | 3325 | return new_host_filespec; |
3326 | } | |
3327 | ||
3328 | void | |
3329 | __gnat_adjust_os_resource_limits () | |
3330 | { | |
3331 | SYS$ADJWSL (131072, 0); | |
3332 | } | |
3333 | ||
9dfe12ae | 3334 | #else /* VMS */ |
1fac938e | 3335 | |
f15731c4 | 3336 | /* Dummy functions for Osint import for non-VMS systems. */ |
1fac938e | 3337 | |
3338 | int | |
9dfe12ae | 3339 | __gnat_to_canonical_file_list_init |
3340 | (char *dirspec ATTRIBUTE_UNUSED, int onlydirs ATTRIBUTE_UNUSED) | |
1fac938e | 3341 | { |
3342 | return 0; | |
3343 | } | |
3344 | ||
3345 | char * | |
6f2c2693 | 3346 | __gnat_to_canonical_file_list_next (void) |
1fac938e | 3347 | { |
4c4697b8 | 3348 | static char *empty = ""; |
3349 | return empty; | |
1fac938e | 3350 | } |
3351 | ||
3352 | void | |
6f2c2693 | 3353 | __gnat_to_canonical_file_list_free (void) |
1fac938e | 3354 | { |
3355 | } | |
3356 | ||
3357 | char * | |
9dfe12ae | 3358 | __gnat_to_canonical_dir_spec (char *dirspec, int prefixflag ATTRIBUTE_UNUSED) |
1fac938e | 3359 | { |
3360 | return dirspec; | |
3361 | } | |
3362 | ||
3363 | char * | |
9dfe12ae | 3364 | __gnat_to_canonical_file_spec (char *filespec) |
1fac938e | 3365 | { |
3366 | return filespec; | |
3367 | } | |
3368 | ||
3369 | char * | |
9dfe12ae | 3370 | __gnat_to_canonical_path_spec (char *pathspec) |
1fac938e | 3371 | { |
3372 | return pathspec; | |
3373 | } | |
3374 | ||
3375 | char * | |
9dfe12ae | 3376 | __gnat_to_host_dir_spec (char *dirspec, int prefixflag ATTRIBUTE_UNUSED) |
1fac938e | 3377 | { |
3378 | return dirspec; | |
3379 | } | |
3380 | ||
3381 | char * | |
9dfe12ae | 3382 | __gnat_to_host_file_spec (char *filespec) |
1fac938e | 3383 | { |
3384 | return filespec; | |
3385 | } | |
3386 | ||
3387 | void | |
6f2c2693 | 3388 | __gnat_adjust_os_resource_limits (void) |
1fac938e | 3389 | { |
3390 | } | |
3391 | ||
3392 | #endif | |
3393 | ||
1fac938e | 3394 | #if defined (__mips_vxworks) |
9dfe12ae | 3395 | int |
3396 | _flush_cache() | |
1fac938e | 3397 | { |
3398 | CACHE_USER_FLUSH (0, ENTIRE_CACHE); | |
3399 | } | |
3400 | #endif | |
3401 | ||
8c7d3bad | 3402 | #if defined (IS_CROSS) \ |
a3b0f4f2 | 3403 | || (! ((defined (sparc) || defined (i386)) && defined (sun) \ |
3404 | && defined (__SVR4)) \ | |
c69ba469 | 3405 | && ! (defined (linux) && (defined (i386) || defined (__x86_64__))) \ |
a3b0f4f2 | 3406 | && ! (defined (linux) && defined (__ia64__)) \ |
547371fa | 3407 | && ! (defined (linux) && defined (powerpc)) \ |
40a4417a | 3408 | && ! defined (__FreeBSD__) \ |
571e421a | 3409 | && ! defined (__Lynx__) \ |
21a87c1d | 3410 | && ! defined (__hpux__) \ |
ba706ed3 | 3411 | && ! defined (__APPLE__) \ |
9dfe12ae | 3412 | && ! defined (_AIX) \ |
1fac938e | 3413 | && ! (defined (__alpha__) && defined (__osf__)) \ |
3b18b370 | 3414 | && ! defined (VMS) \ |
80d4fec4 | 3415 | && ! defined (__MINGW32__) \ |
3416 | && ! (defined (__mips) && defined (__sgi))) | |
f15731c4 | 3417 | |
a3b0f4f2 | 3418 | /* Dummy function to satisfy g-trasym.o. See the preprocessor conditional |
3419 | just above for a list of native platforms that provide a non-dummy | |
3420 | version of this procedure in libaddr2line.a. */ | |
1fac938e | 3421 | |
3422 | void | |
1e622f0e | 3423 | convert_addresses (const char *file_name ATTRIBUTE_UNUSED, |
3424 | void *addrs ATTRIBUTE_UNUSED, | |
9dfe12ae | 3425 | int n_addr ATTRIBUTE_UNUSED, |
3426 | void *buf ATTRIBUTE_UNUSED, | |
3427 | int *len ATTRIBUTE_UNUSED) | |
1fac938e | 3428 | { |
3429 | *len = 0; | |
3430 | } | |
3431 | #endif | |
f15731c4 | 3432 | |
3433 | #if defined (_WIN32) | |
3434 | int __gnat_argument_needs_quote = 1; | |
3435 | #else | |
3436 | int __gnat_argument_needs_quote = 0; | |
3437 | #endif | |
9dfe12ae | 3438 | |
3439 | /* This option is used to enable/disable object files handling from the | |
3440 | binder file by the GNAT Project module. For example, this is disabled on | |
e0f42093 | 3441 | Windows (prior to GCC 3.4) as it is already done by the mdll module. |
3442 | Stating with GCC 3.4 the shared libraries are not based on mdll | |
3443 | anymore as it uses the GCC's -shared option */ | |
3444 | #if defined (_WIN32) \ | |
3445 | && ((__GNUC__ < 3) || ((__GNUC__ == 3) && (__GNUC_MINOR__ < 4))) | |
9dfe12ae | 3446 | int __gnat_prj_add_obj_files = 0; |
3447 | #else | |
3448 | int __gnat_prj_add_obj_files = 1; | |
3449 | #endif | |
3450 | ||
3451 | /* char used as prefix/suffix for environment variables */ | |
3452 | #if defined (_WIN32) | |
3453 | char __gnat_environment_char = '%'; | |
3454 | #else | |
3455 | char __gnat_environment_char = '$'; | |
3456 | #endif | |
3457 | ||
3458 | /* This functions copy the file attributes from a source file to a | |
3459 | destination file. | |
3460 | ||
3461 | mode = 0 : In this mode copy only the file time stamps (last access and | |
3462 | last modification time stamps). | |
3463 | ||
3464 | mode = 1 : In this mode, time stamps and read/write/execute attributes are | |
3465 | copied. | |
3466 | ||
3467 | Returns 0 if operation was successful and -1 in case of error. */ | |
3468 | ||
3469 | int | |
3470 | __gnat_copy_attribs (char *from, char *to, int mode) | |
3471 | { | |
5091bc2f | 3472 | #if defined (VMS) || defined (__vxworks) || defined (__nucleus__) |
9dfe12ae | 3473 | return -1; |
6a85c251 | 3474 | |
3475 | #elif defined (_WIN32) && !defined (RTX) | |
3476 | TCHAR wfrom [GNAT_MAX_PATH_LEN + 2]; | |
3477 | TCHAR wto [GNAT_MAX_PATH_LEN + 2]; | |
3478 | BOOL res; | |
3479 | FILETIME fct, flat, flwt; | |
3480 | HANDLE hfrom, hto; | |
3481 | ||
3482 | S2WSC (wfrom, from, GNAT_MAX_PATH_LEN + 2); | |
3483 | S2WSC (wto, to, GNAT_MAX_PATH_LEN + 2); | |
3484 | ||
3485 | /* retrieve from times */ | |
3486 | ||
3487 | hfrom = CreateFile | |
3488 | (wfrom, GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); | |
3489 | ||
3490 | if (hfrom == INVALID_HANDLE_VALUE) | |
3491 | return -1; | |
3492 | ||
3493 | res = GetFileTime (hfrom, &fct, &flat, &flwt); | |
3494 | ||
3495 | CloseHandle (hfrom); | |
3496 | ||
3497 | if (res == 0) | |
3498 | return -1; | |
3499 | ||
3500 | /* retrieve from times */ | |
3501 | ||
3502 | hto = CreateFile | |
3503 | (wto, GENERIC_WRITE, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); | |
3504 | ||
3505 | if (hto == INVALID_HANDLE_VALUE) | |
3506 | return -1; | |
3507 | ||
3508 | res = SetFileTime (hto, NULL, &flat, &flwt); | |
3509 | ||
3510 | CloseHandle (hto); | |
3511 | ||
3512 | if (res == 0) | |
3513 | return -1; | |
3514 | ||
3515 | /* Set file attributes in full mode. */ | |
3516 | ||
3517 | if (mode == 1) | |
3518 | { | |
3519 | DWORD attribs = GetFileAttributes (wfrom); | |
3520 | ||
3521 | if (attribs == INVALID_FILE_ATTRIBUTES) | |
3522 | return -1; | |
3523 | ||
3524 | res = SetFileAttributes (wto, attribs); | |
3525 | if (res == 0) | |
3526 | return -1; | |
3527 | } | |
3528 | ||
3529 | return 0; | |
3530 | ||
9dfe12ae | 3531 | #else |
8cb516d7 | 3532 | GNAT_STRUCT_STAT fbuf; |
9dfe12ae | 3533 | struct utimbuf tbuf; |
3534 | ||
8cb516d7 | 3535 | if (GNAT_STAT (from, &fbuf) == -1) |
9dfe12ae | 3536 | { |
3537 | return -1; | |
3538 | } | |
3539 | ||
3540 | tbuf.actime = fbuf.st_atime; | |
3541 | tbuf.modtime = fbuf.st_mtime; | |
3542 | ||
3543 | if (utime (to, &tbuf) == -1) | |
3544 | { | |
3545 | return -1; | |
3546 | } | |
3547 | ||
3548 | if (mode == 1) | |
3549 | { | |
3550 | if (chmod (to, fbuf.st_mode) == -1) | |
3551 | { | |
3552 | return -1; | |
3553 | } | |
3554 | } | |
3555 | ||
3556 | return 0; | |
3557 | #endif | |
3558 | } | |
3559 | ||
cf6d853e | 3560 | int |
3561 | __gnat_lseek (int fd, long offset, int whence) | |
3562 | { | |
3563 | return (int) lseek (fd, offset, whence); | |
3564 | } | |
0914a918 | 3565 | |
e2c62f37 | 3566 | /* This function returns the major version number of GCC being used. */ |
0914a918 | 3567 | int |
3568 | get_gcc_version (void) | |
3569 | { | |
e2c62f37 | 3570 | #ifdef IN_RTS |
3571 | return __GNUC__; | |
3572 | #else | |
3573 | return (int) (version_string[0] - '0'); | |
3574 | #endif | |
0914a918 | 3575 | } |
6d9c3443 | 3576 | |
3577 | int | |
de10c095 | 3578 | __gnat_set_close_on_exec (int fd ATTRIBUTE_UNUSED, |
0e9e8338 | 3579 | int close_on_exec_p ATTRIBUTE_UNUSED) |
6d9c3443 | 3580 | { |
3581 | #if defined (F_GETFD) && defined (FD_CLOEXEC) && ! defined (__vxworks) | |
3582 | int flags = fcntl (fd, F_GETFD, 0); | |
3583 | if (flags < 0) | |
3584 | return flags; | |
3585 | if (close_on_exec_p) | |
3586 | flags |= FD_CLOEXEC; | |
3587 | else | |
3588 | flags &= ~FD_CLOEXEC; | |
3589 | return fcntl (fd, F_SETFD, flags | FD_CLOEXEC); | |
07f34887 | 3590 | #elif defined(_WIN32) |
3591 | HANDLE h = (HANDLE) _get_osfhandle (fd); | |
3592 | if (h == (HANDLE) -1) | |
3593 | return -1; | |
3594 | if (close_on_exec_p) | |
3595 | return ! SetHandleInformation (h, HANDLE_FLAG_INHERIT, 0); | |
bcf0a1b1 | 3596 | return ! SetHandleInformation (h, HANDLE_FLAG_INHERIT, |
07f34887 | 3597 | HANDLE_FLAG_INHERIT); |
6d9c3443 | 3598 | #else |
07f34887 | 3599 | /* TODO: Unimplemented. */ |
6d9c3443 | 3600 | return -1; |
6d9c3443 | 3601 | #endif |
3602 | } | |
fb31b465 | 3603 | |
3604 | /* Indicates if platforms supports automatic initialization through the | |
3605 | constructor mechanism */ | |
3606 | int | |
c88e6a4f | 3607 | __gnat_binder_supports_auto_init (void) |
fb31b465 | 3608 | { |
3609 | #ifdef VMS | |
3610 | return 0; | |
3611 | #else | |
3612 | return 1; | |
3613 | #endif | |
3614 | } | |
3615 | ||
3616 | /* Indicates that Stand-Alone Libraries are automatically initialized through | |
3617 | the constructor mechanism */ | |
3618 | int | |
c88e6a4f | 3619 | __gnat_sals_init_using_constructors (void) |
fb31b465 | 3620 | { |
3621 | #if defined (__vxworks) || defined (__Lynx__) || defined (VMS) | |
3622 | return 0; | |
3623 | #else | |
3624 | return 1; | |
3625 | #endif | |
3626 | } | |
e2a33c18 | 3627 | |
8e726ab4 | 3628 | #ifdef RTX |
3629 | ||
e2a33c18 | 3630 | /* In RTX mode, the procedure to get the time (as file time) is different |
3631 | in RTSS mode and Win32 mode. In order to avoid duplicating an Ada file, | |
3632 | we introduce an intermediate procedure to link against the corresponding | |
3633 | one in each situation. */ | |
8e726ab4 | 3634 | |
3635 | extern void GetTimeAsFileTime(LPFILETIME pTime); | |
e2a33c18 | 3636 | |
3637 | void GetTimeAsFileTime(LPFILETIME pTime) | |
3638 | { | |
3639 | #ifdef RTSS | |
3640 | RtGetRtssTimeAsFileTime (pTime); /* RTSS interface */ | |
3641 | #else | |
3642 | GetSystemTimeAsFileTime (pTime); /* w32 interface */ | |
3643 | #endif | |
3644 | } | |
8e726ab4 | 3645 | |
3646 | #ifdef RTSS | |
3647 | /* Add symbol that is required to link. It would otherwise be taken from | |
3648 | libgcc.a and it would try to use the gcc constructors that are not | |
3649 | supported by Microsoft linker. */ | |
3650 | ||
3651 | extern void __main (void); | |
3652 | ||
3653 | void __main (void) {} | |
3654 | #endif | |
e2a33c18 | 3655 | #endif |
3656 | ||
9d093602 | 3657 | #if defined (linux) || defined(__GLIBC__) |
e2a33c18 | 3658 | /* pthread affinity support */ |
3659 | ||
c62e34a4 | 3660 | int __gnat_pthread_setaffinity_np (pthread_t th, |
3661 | size_t cpusetsize, | |
3662 | const void *cpuset); | |
3663 | ||
e2a33c18 | 3664 | #ifdef CPU_SETSIZE |
3665 | #include <pthread.h> | |
3666 | int | |
3667 | __gnat_pthread_setaffinity_np (pthread_t th, | |
3668 | size_t cpusetsize, | |
3669 | const cpu_set_t *cpuset) | |
3670 | { | |
3671 | return pthread_setaffinity_np (th, cpusetsize, cpuset); | |
3672 | } | |
3673 | #else | |
3674 | int | |
c62e34a4 | 3675 | __gnat_pthread_setaffinity_np (pthread_t th ATTRIBUTE_UNUSED, |
3676 | size_t cpusetsize ATTRIBUTE_UNUSED, | |
3677 | const void *cpuset ATTRIBUTE_UNUSED) | |
e2a33c18 | 3678 | { |
3679 | return 0; | |
3680 | } | |
3681 | #endif | |
3682 | #endif | |
a0d9619f | 3683 | |
3684 | #if defined (linux) | |
3685 | /* There is no function in the glibc to retrieve the LWP of the current | |
3686 | thread. We need to do a system call in order to retrieve this | |
3687 | information. */ | |
3688 | #include <sys/syscall.h> | |
12e8797f | 3689 | void *__gnat_lwp_self (void) |
3690 | { | |
a0d9619f | 3691 | return (void *) syscall (__NR_gettid); |
3692 | } | |
3693 | #endif |